708.453.2570 ISO 9001 RegisteredWe do not stock standard springs, we make made-to-order custom springs.
Get unique, complex parts easily. No matter your requirements, Master Spring creates hard-to-produce coil springs and wire forms.
Let us help you create the custom wire form you need, from S-hooks and J-hooks to utility hooks and more.
We work closely with customers across a wide range of industries, helping them design and manufacture made-to-order parts.
Why choose Master Spring? We prioritize customer-focused collaboration, modern equipment and the latest technology to make your parts per print.
Find the information and guidance you need, from measuring a spring to learning about materials, placing an order and much more.
Explore our image and video gallery to learn more about our custom spring and wire form manufacturing capabilities.
Contact UsMaster Spring not only has the ability to manufacture custom wire forms and custom springs to virtually any shape or size, the company also offers a number of secondary operations and finishing services, like threading, chamfering, tapping, welding, plating and passivating.
Whether you need a wire form with a diameter of .010″ or 0.500”, you’ll find the partner you’ve been searching for in Master Spring. We specialize in supplying OEMs their requirements of medium to high quantities of wire forms. If you are an OEM searching for a world-class supplier of your wire forms, let us know about your needs.
Watch the videos to see our custom wire form capabilities.
Small spring on dual coiling point CNC machine
In-line inspection of outside diameter and free length
Compression springs with cylindrical shape and closed ends
Hourglass shape with small diameter in middle
Compression Spring: Conical shape with top OD much smaller than bottom
Variable pitch coil spring with a torsion leg
Use touch probe to make hooks in line with each other
Closed loops larger than the body diameter
Small spring with side-loops at 180 degrees to each other
Triangle loop on one end and tapered body on the other end
Right-hand wound with square end and coiled end
Coil bodies wound perpendicular to each other
Laser sensor for position of short torsion legs
Left-hand wound torsion spring with a long leg
Light wire, double torsion with large middle radius
Double torsion with multiple bends between coil bodies
Left-hand wound, large body OD, touch probe for leg position
Torsion Spring: Long legs, right-hand wound with tear-drop ends
3D, multiple bends, and small wire diameter wire forms
Wire form with 2 radius bend sizes and ends butted
Actuator with 1 large radius and 2 small radius bends
Large radius hook with offset bend, large wire diameter
Hook with coiled end perpendicular to hook
C-clip, 2 radius bend sizes, large wire diameter
Wire form with multiple bends, long segments between bends
Wire form with large wire diameter, 2 radius bend sizes
Short collection of wire forms, compression, extension and torsion springs
At Master Spring and Wire Form, we have the ability to design and manufacture a wide variety of spring and wire forms according to many specifications. We specialize in supplying OEMs their requirements of medium to high quantities of springs and wire forms.
Browse our gallery of custom spring and wire forms or visit our custom wire forms product page to learn about our capabilities.
Clutch Garter Spring
Part Names: Stainless steel clutch spring, fun-kart clutch spring, small index extension spring
Industry: Hardware and fasteners: Fun-kart and four-cycle racing karts
Application: Extension spring works as a garter spring in an automatic centrifugal clutch on a fun kart
Material: 0.057” type 302 stainless steel wire
Special Features: Extremely small spring index (ratio of mean coil diameter to wire diameter); machine loops (same as German hooks or twist loops); one loop is closed; second loop has a gap
Extension Spring, .375” OD x 2.5” Long
Part Names: Snowplow extension spring, center-loop extension spring, stainless steel extension spring
Industry: Hardware and fasteners: Professional snowplow and ice removal equipment
Applicatoin: Provides tension on a coupler stop pin on snowplow equipment
Material: 0.049” type 302 stainless steel wire
Special Features: Center loops in line +/- 30 degrees; fully closed loops
Stainless Steel Clothespin Spring
Part Names: Stainless steel torsion spring, artisan clothespin spring
Industry: Hardware and fasteners: Artisan clothespins
Application: Torsion spring applies the strong gripping force in American-made artisan clothespins
Material: 0.062” type 302 stainless steel wire
Special Features: Torsion springs are passivated to remove contaminants and improve corrosion resistance
Seed-meter Singulator Spring
Part Names: Seed meter spring, stainless steel torsion spring, seed meter torsion spring
Industry: Hardware and fasteners: Agriculture seed meters
Application: Torsion spring rides on the edge of a meter disk and knocks off extra seeds so only one seed is planted at a time
Material: 0.036” type 302 stainless steel wire
Special Features: Torsion springs are layer packed to minimize tangling during shipping
Active-coil Helical Extension Spring
Part Names: Trampoline spring, physical therapy rebounder spring, extension spring
Industry: Hardware and fasteners: Physical therapy products
Application: Extension springs return the trampoline mat to starting position in plyometric rebounder
Material: 0.138” phosphate-coated music wire
Special Features: Center hooks in line; gap is 3/8” to 7/16”; finish is zinc trivalent with bake
Spring Pin Clip
Part Names: Torsion spring pin assembly, farming planter spring pin clip
Industry: Hardware and fasteners: Agriculture planter equipment
Application: Spring pin assembly fastens the seed tube to the planter
Material: 0.051” zinc pre-plated music wire
Special Features: Torsion springs are assembled with pins and packed four assemblies per heat sealed and labeled bag
Vacuum Hose Spring Clamp
Part Names: Clamp spring, torsion spring, vacuum hose clamp spring
Industry: Hardware and fasteners: Dust control systems for automotive, aerospace and industrial applications
Application: Spring clamp mount for holding flex-loc vacuum hose fixed in place
Material: 0.125” hard-drawn bright wire
Special Features: Bright chrome plate
Barrel Compression Spring
Part Names: Plunger spring, barrel-shaped compression spring
Industry: Hardware and fasteners: Pinball games
Application: Used on plunger assembly
Material: 0.062” phos music wire
Special Features: Bright nickel rack plate
Metal Insert
Part Names: Chrome silicon compression spring, CEG compression spring, metal insert for tube seal
Industry: Hardware and fasteners: Tube seals used in automotive transmissions
Application: Over molding a rigid insert (compression spring) adds stability to automotive transmission tube seal and prevents buckling
Material: 0.038” chrome silicon wire
Special Features: Three-coil closed ends and ground; zinc phosphate coating; packed 10,000 pieces per bag in a box
Currency Hold-down Extension Spring
Part Names: Cash drawer extension spring, cash register extension spring, side-loop extension spring
Industry: Hardware and fasteners: Point-of-sale (POS) heavy-duty cash drawer
Application: Extension springs provide tension on currency hold downs in heavy-duty till
Material: 0.020” galvanized music wire
Special Features: Full side loops in-line
Hairpin Spring Clip
Part Names: Stainless steel clips, ammunition container clips, torsion spring clips
Industry: Hardware and fasteners: Ammunition containers
Application: Hairpin spring clip keeps ammunition container closed
Material: 0.090” type 302 stainless steel wire
Special Features: Material certificate and Certificate of Compliance are sent with every shipment; finish is to remain dull
Seed Tube Retention Spring
Part Names: Large double torsion spring, stainless steel torsion spring, seed tube fastener spring
Industry: Hardware and fasteners: Agriculture planter equipment
Application: Double torsion spring fastens seed tube delivery system to planter row unit
Material: 0.162” type 302 stainless steel wire
Special Features: Large double torsion spring has many bends on both legs
Spiral Reinforcement
Part Names: Coiled rebar, conical rebar, concrete spiral reinforcement
Industry: Hardware and fasteners: Railroad track systems
Application: Acts as rebar in railroad concrete sleepers
Material: 0.236” cold-rolled C1008 bright basic wire
Special Features: Coils must be concentric and must screw onto mating part
Wire Loop Handle
Part Names: Aluminum wire handle, wire loop strap fastener
Industry: Hardware and fasteners
Application: Wire loop handle used as a belt or strap fastener
Material: 0.125” aluminum ¼ hard wire
Special Features: Tumble or vibratory deburr to remove sharp edges
Inspection Display Stand
Part Names: Aluminum wire stand, portable display stand
Industry: Hardware and fasteners: Portable ultrasonic flaw detectors for locating and sizing of hidden cracks, voids, disbands, and similar discontinuities in welds, forgings, turbines and other structural components
Applicatoin: Aluminum wire form stand provides convenient, lightweight support to keep portable inspection display upright
Material: 0.250” aluminum wire 6061 T6
Special Features: Chamfer ends, mill flat ends, drill hole in each end and tap, chromate conversion coat, and black plastisol dip coat
Basket Truck Lift Spring
Part Names: Laundry basket extension spring, large extension spring, side-loop extension spring
Industry: Hardware and fasteners: Laundry and housekeeping basket trucks
Application: Extension springs lift bottom of laundry basket truck as load gets lighter
Material: 0.120” galvanized hard-drawn MB spring wire
Special Features: 45-degree side loops; each loop is two coils and loops are in-line; oval ring is assembled to one loop
Flip-sign Torsion Spring
Part Names: Hinge spring, pre-galvanized torsion spring, LH-wound torsion spring
Industry: Hardware and fasteners: Point-of-purchase displays
Application: Torsion spring is used in a flip-up header LED sign in POP displays
Material: 0.057” pre-plated galvanized music wire
Special Features: Torsion spring is left-hand wound
Coupling Double Torsion Spring
Part Names: Stainless steel double torsion spring, snowplow torsion spring
Industry: Hardware and fasteners: Professional snowplow and ice removal equipment
Application: Double torsion spring is used in lock-pin coupling system for attaching a snowplow to a truck
Material: 0.093” type 302 stainless steel wire
Special Features: There is a long amount of wire between the two bodies of coils that includes two wraps of square coils in the center
Ball Plunger Spring
Part Names: Stainless steel ball plunger spring, CENG compression spring
Industry: Hardware and fasteners: Ball and spring plungers and hand retractable spring plungers
Application: The compression spring is enclosed in a threaded capsule and provides accurate and repeatable spring end forces through a ball or rounded nose
Material: 0.028” stainless steel 302 wire
Special Features: Closed ends and not ground (CENG); set removed (i.e., the spring’s free length decreases after deflecting to solid height)
Chill Coil
Part Names: Sand mold cooling coil, casting chill coil
Industry: Hardware and fasteners: Metal casting
Application: The cooling coil or chill coil is placed in the sand mold to produce local chilling and equalize the rate of solidification throughout the casting
Material: 0.162” C1008 bright basic wire
Special Features: Copper coated
Lock Spring
Part Names: Medical device lock spring, needle cartridge spring, stainless steel lock spring
Industry: Hardware and fasteners: Micro needling device used in dermatology
Application: Lock spring is used to lock sterile needle cartridge to handpiece base
Material: 0.020” stainless steel 302 wire
Special Features: Packed 1,000 parts per labeled, double bag
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Drain Pan Extension Spring
Part Names: Stainless steel extension spring, extended hook extension spring
Industry: Hardware and fasteners: Employee safety equipment
Application: Used in an eye/face wash and shower safety station; spring keeps recessed drain pan closed in a vertical position
Material: : 0.067” type 302 stainless steel wire
Special Features: : Springs are passivated; center rectangular hook with 11/64” gap on one side; other end has a center extended hook with eyelet that is in-line with other side
Coulter Double Torsion Spring
Part Names: Large double torsion spring, farming planter torsion spring
Industry: Hardware and fasteners: Agriculture planter products
Application: Double torsion spring applies force to the coulter in a nitrogen application system for a planter
Material: 0.192” phos music wire
Special Features: Magni-565-coated for corrosion protection
Flush Handle Spring
Part Names: Stainless steel torsion spring, toilet handle spring
Industry: Hardware and fasteners: Toilet trim products
Application: Torsion spring returns toilet flush handle to starting position
Material: 0.050” type 302 stainless steel wire
Special Features: Inspection report is sent with every shipment and minimum inventory quantity is maintained for immediate release
Spout Spring
Part Names: Stainless steel compression spring, stainless CENG compression spring, flow control button spring
Industry: Hardware and fasteners: Portable plastic fuel containers
Application: Flow control button for pouring gas
Material: 0.059” stainless steel 302 wire
Special Features: Closed ends and not ground
Link Hook
Part Names: Galvanized steel link hook, fusible link hook, wire hook
Industry: Hardware and fasteners: Fire protection equipment
Application: The wire hook is a fusible link component used in mainstream range hood fire protection systems for both domestic and commercial applications.
Material: 0.148” galvanized cold-rolled basic wire
Special Features: Eyelet has a small coil index (ratio of mean coil diameter to wire diameter). Eyelet must maintain full radius near cutoff with a gap.
Fishing Wire Forms
Part Names: Bait snaps, trotline clips, live bait clips, bait keeper springs, and wire forms for lure molds
Industry: Fishing tackle
Application: Wire forms and springs used in fishing tackle and lures
Material: Stainless steel 302 wire
Special Features: Packed per customer requests
Large Fishing Lure Body Wire Forms
Part Names: Stainless steel wire forms for lures, wire forms for muskie lure molds
Industry: Fishing tackle
Application: Wire forms are molded into fish lure body to provide harness to assemble hooks and to connect to line
Material: 0.047” stainless steel 302 wire and 0.067” stainless steel 302 wire
Special Features: Special packed to prevent tangling during shipping
Bait Keeper
Part Names: Fishing bait keeper spring, jig screw lock, corkscrew wire form, stainless steel bait keeper
Industry: Fishing tackle
Application: One end of the corkscrew wire form screws into the end of soft bait, and the other end is assembled to the looped-end of the fish hook
Material: 0.040” stainless steel 302 wire
Special Features: Right-hand wound
Spreader Bar and Spinnerbait Wire Form
Part Names: Spreader wire rig, wire spreader, spreader bar, R-bend spinnerbait form, spinner bait wire form
Industry: Fishing tackle
Application: Spreader bar allows you to fish two snells at once. Spinnerbait wire shafts fit in spinnerbait molds.
Material: 0.040” stainless steel 302 wire and 0.047” stainless steel 302 wire
Special Features: Special packed to prevent tangling during shipping
Fishing Lure Small and Large Wire Forms
Products: Stainless steel wire forms for lures, figure-eight hook hangers, wire forms for lure molds
Industry: Fishing tackle
Application: Wire forms are molded into fish lure body to provide harness to assemble hooks and to connect to line
Material: 0.047” stainless steel 302 wire and 0.067” stainless steel 302 wire
Special Features: Special pack to prevent tangling during shipping
Trotline Clip
Part Names: Fishing trotline clip with brass swivel, stainless steel fishing clip and brass swivel assembly
Industry: Fishing tackle
Application: Clips snap on and off trotline fast and easy to increase fishing time in the water
Material: 0.067” stainless steel 302 wire
Special Features: Assemble brass swivel to stainless steel clip in-line at the wire forming machine
Twist-lock Soft Bait Keeper
Part Names: Twist-lock centering-pin spring, bait keeper, twist-lock bait keeper, coil spring bait keeper
Industry: Fishing tackle
Application: Attaches to the eye of a fishing hook and secures soft plastic bait
Material: 0.020” stainless steel 302 wire
Special Features: Leg of wire runs down the center of the coils
Bait Snap
Part Names: Fishing stainless steel snap, bait snap, wire form bait snap, spring snap
Industry: Fishing tackle
Application: Snaps give the angler a quick and easy way to change lures and rigs
Material: 0.047” stainless steel 302 wire
Special Features: Vibratory deburr to remove sharp edges at cutoff
Sealed Downlight Torsion Spring
Part Names: Galvanized torsion spring, LED downlight torsion spring, LED torsion spring
Industry: Commercial LED lighting or luminaires for challenging environments
Application: Hidden torsion springs secure flush lens trim to the rough in-frame in sealed downlights for high abuse, healthcare, canopy, cleanroom, food processing and transportation installations
Material: 0.091” pre-plated galvanized music wire
Special Features: Small radius hook at the end of each long torsion leg; bundled 25 pieces with a rubber band on each end to prevent tangling during shipping
Mount Spring
Part Names: Spring clip, galvanized wire form clip, linear LED T-grid mount spring
Industry: Architectural lighting
Application: Spring clip mounts 1” linear LED light fixture housing to suspended ceiling T-grid member
Material: 0.051” galvanized music wire
Special Features: Flat loop; two bends close to each other and cut off near bend
Retainer Clip
Part Names: Stainless steel retainer clip, MR16 LED wire form clip
Industry: Commercial lighting
Application: Retainer clip for MR16 LED exit and emergency lamps
Material: 0.041” stainless steel 302 wire
Special Features: Packed on tack board to prevent tangling
Optic Hold Spring
Part Names: Stainless steel optic hold spring, LED optic wire form
Industry: Commercial lighting
Application: Healthcare LED luminaire uses asymmetric focusing optic for illumination onto patient beds
Material: 0.031” stainless steel 302 wire
Special Features: Center loops are in-line and perpendicular to wire line
Retractable Cable Extension Spring
Part Names: Stainless steel extension spring, lighting fixture extension spring, retractable cable extension spring
Industry: Commercial LED lighting for challenging environments
Application: Retractable cable and extension spring secures doorframe to lighting fixture housing
Material: 0.033” stainless steel 302 wire
Special Features: Open and centered loops in-line
Retainer Spring
Part names: LED retainer clip, lens retainer spring, galvanized wire retainer, downlight wire form retainer
Industry: Commercial lighting
Application: Lens access retainer spring in round LED variable beam downlight
Material: 0.051” galvanized music wire
Special Features: Assemble and heat shrink three black rubber sleeves on retainer clip
Lens Stop Spring
Part Names: Spring clip, galvanized wire clip, diffuser spring clip, wire form clip
Industry: Commercial lighting
Application: Spring holds diffuser in the housing
Material: 0.059” galvanized music wire
Special Features: Layer packed at machine to minimize tangling
Retainer
Part Names: Stainless steel retainer clip, swaged wire retainer clip, retainer wire form
Industry: LED lighting fixtures for entertainment, film and broadcast, and architectural applications
Application: Retainer clip holder in parabolic aluminized reflector (PAR) lamp
Material: 0.113” stainless steel 304 ¼ hard wire
Special Features: Swaged in-line
Downlight Torsion Springs
Part Names: LED downlight torsion spring, LED torsion spring, galvanized torsion spring
Industry: Commercial lighting or luminaires
Application: Torsion spring secures LED module to housing of downlight and wall wash luminaires
Material: Pre-plated galvanized music wire
Special Features: Assorted ends on long torsion legs; packed to prevent tangling during shipping
Recessed Downlight Torsion Spring
Part Names: Galvanized torsion spring, LED downlight torsion spring, LED torsion spring
Industry: Commercial lighting or luminaires
Application: Torsion spring secures LED module to housing of downlight and wall wash luminaires in retail, hospitality, and commercial spaces
Material: 0.048” pre-plated galvanized music wire
Special Features: Multiple, close bends at the end of each long torsion leg; bagged in small quantities to prevent tangling during shipping
Pump Handle
Part Names: Stainless steel handle, wire handle, sewage pump handle, sump pump handle
Industry: Hardware and Fasteners; Residential Pumps
Application: The handle is attached to a submersible sewage pump used in residential applications. We also make smaller handles for sump pumps.
Material: 0.250” stainless steel 302 wire
Special Features: Packed 250 pieces per box
Ball-check Valve Spring
Part Names: Stainless steel compression spring, CENG compression spring, ball-check valve spring
Industry: Agriculture spray boom components
Application: Minimizes nozzle drippings on agricultural sprayers
Material: 0.031” stainless steel 302 wire
Special Features: Double closed ends and not ground
Clamp Spring
Part Names: CENG stainless steel compression spring, rail clamp spring, clamp compression spring
Industry: Solar power mounting systems
Application: Clamp spring assembly for mounting solar panels to rails
Material: 0.028” stainless steel 302 wire
Special Features: Closed ends and not ground
Wire Clip
Part Names: Wire formed clip, wire management clip, stainless steel clip, stainless cable management clip
Industry: Solar photovoltaic (PV) mounting systems or solar power mounting solutions
Application: Wire form clip attaches to solar panel module frame and manages DC, AC, and communications cables within the array
Material: 0.090” stainless steel 302 wire
Special Features: Packed 20 pieces per bag
Wire Management Clip
Part Names: Wire clip, cable management clip, stainless steel clip, stainless wire management clip
Industry: Solar photovoltaic (PV) mounting systems or solar power mounting solutions
Application: Wire form clip attaches to solar panel module frame and manages DC, AC, and communications cables within the array
Material: 0.090” stainless steel 302 wire
Special Features: Packed 20 pieces per bag
Cable Clip
Part Names: Wire formed clip, wire management clip, stainless steel clip, stainless cable management clip
Industry: Solar photovoltaic (PV) mounting systems or solar power mounting solutions
Application: Wire form clip attaches to solar panel module frame and manages DC, AC, and communications cables within the array
Material: 0.072” stainless steel 302 wire
Special Features: Packed 20 pieces per bag
Cable Management Clip
Part Names: Wire formed clip, wire management clip, stainless steel clip, stainless cable management clip
Industry: Solar photovoltaic (PV) mounting systems or solar power mounting solutions
Application: Wire form clip attaches to solar panel module frame and manages DC, AC, and communications cables within the array
Material: 0.072” stainless steel 302 wire
Special Features: Packed 30 nested pieces per labeled box; part inspected by UL to maintain UL certification
Metering Valve Spring
Part Names: CENG stainless steel compression spring, metering valve spring, fuel cartridge spring
Industry: Construction power tools
Application: Pressurized gas cartridge or canister
Material: 0.024” stainless steel 302 wire
Special Features: Closed ends and not ground
Lockout Bar Spring
Part Names: Small compression spring, CEG compression spring, lockout bar spring
Industry: Construction power tools
Application: Prevents unwanted nailing gun cycling when nail magazine is empty
Material: 0.010” stainless steel 302 wire
Special Features: Closed ends and ground; packed 500 parts per bag
Hourglass Spring
Part Names: Close wound coil spring, hourglass spring
Industry: Plumbing tools
Application: In-pipe diagnostic camera equipment for plumbing applications
Material: 0.138″ 17-7 stainless steel condition C wire
Special Features: Coils wound tightly together
Fastener Trigger Spring
Part Names: Torsion spring, trigger spring
Industry: Construction power tools
Application: Torsion spring is used in the trigger assembly of a nailing tool
Material: 0.040” Type 302 stainless steel wire
Special Features: Bagged in quantities of 250 pieces to make assembly easy
Camera Spring
Part Names: Coil spring, plumbing camera spring
Industry: Plumbing tools
Application: In-pipe diagnostic camera equipment for plumbing applications
Material: 0.095” 17-7 PH stainless steel wire
Special Features: Spring end is chamfered; electropolished to a bright finish
Magazine Latch Dual Torsion Spring
Part Names: Magazine lock spring, magazine latch spring
Industry: Construction power tools
Application: Double torsion spring for magazine latch release on nailing gun
Material: 0.058” hard drawn bright wire
Special Features: Special packed 250 pieces per small box
Handle
Part Names: Filter handle, wire handle, hydraulic filter handle
Industry: Hydraulic filters
Application: Handle for top of hydraulic filter
Material: 0.105” galvanized music wire
Special Features: Layer-packed on cardboard sheets to minimize tangling
Wire Spring Latch
Part Names: Hold-down clamp, cover latch, wire form clip, retaining spring clip, filter latch, wire spring latch
Industry: Inlet filters, liquid separators, and vapor condensers for industrial vacuum pumps
Application: Wire form latch fastens top housing to bottom bucket
Material: 0.090” stainless steel 302 wire
Special Features: Two wire form pieces assembled in-line on wire forming machine to create latch
Retainer Clip
Part Names: Stainless steel clip, wire clip, stainless steel retainer clip
Industry: Filters for petroleum, industrial, agricultural, heavy-duty and biofuel markets
Application: Retainer clip used in vapor control cap on above ground farm tanks, fuel transfer tanks and oil tanks
Material: 0.058” stainless steel wire
Special Features: Layer-packed on cardboard sheets to minimize tangling
Hairpin Clip
Part Names: Stainless steel wire clip, filter hairpin clip
Industry: Diesel Exhaust Fluid (DEF)/Urea sensing solutions and DEF/Urea delivery modules for automotive, on-highway truck and off-highway applications
Application: Hairpin clip for filter in heater module of Temperature Ultrasonic Level and Concentration (TULC) sensor for SCR Diesel Exhaust Fluid (DEF) tanks
Material: 0.041” stainless steel 302 wire
Special Features: Clean cut and free of oil
Fuel Dispenser Filter Spring
Part Names: Hourglass compression spring, fuel filter spring, petroleum filter canister coil spring
Industry: Filters for the petroleum, industrial, agricultural, heavy duty, and biofuel markets
Application: Spring holds media in place inside canister
Material: 0.099” hard-drawn bright wire
Special Features: Hourglass-shaped spring; no overlap on ends; packed 1,000 springs per box
Tilt Counterbalance Spring
Part Names: Stainless steel torsion spring, tilt counterbalance spring
Industry: Electronics
Application: Torsion spring used in a tilt counterbalance mechanism
Material: 0.135” type 302 stainless steel wire
Special Features: Vibratory tumbled to remove sharp edges at cut-off; passivated
Positive Contact Spring
Part Names: Barrel compression spring, tin-plated coil spring battery contact, positive contact spring
Industry: Electronics
Application: Positive contact spring used in audio equipment
Material: 0.030″ Phos Music Wire
Special Features: Barrel-shaped springs; strung onto wire to prevent tangling during tin-plating process
Door Micro Extension Spring
Part Names: Small stainless steel extension spring, semiconductor wafer case spring, extended hook extension spring
Industry: Semiconductor device fabrication industry
Application: Spring used on door of case that transports, stores and protects semiconductor wafers and photomasks
Material: 0.013” type 302 stainless steel wire
Special Features: Long extended hooks
Hold-down Relay Spring
Part Names: Extended-hook extension spring, stainless steel extension spring, relay hold-down extension spring
Industry: Industrial electrical control and monitoring products
Application: Hold-down spring to hold relay onto panel mounted socket
Material: 0.026” type 302 stainless steel wire
Special Features: Extended side hooks with two closed loops perpendicular to the leg on each end
Pressure Roller Extension Spring
Part Names: Center hook extension spring, currency scanner extension spring
Industry: Currency scanners and sorters
Application: Extension spring provides feed roll pressure to notes in currency scanners and sorters
Material: 0.037” phosphate-coated music wire
Special Features: Center hooks in line; gap is 0.090” to 0.130”; finish is zinc trivalent with bake
Target Reset Spring
Part Names: Extension spring, target reset spring, pinball extension spring
Industry: Gaming, amusement and vending machines
Application: Extension spring is used as a target reset spring in pinball machines
Material: 0.016” phosphate-coated music wire
Special Features: One end has a side loop. The other end is a double loop that is a side loop at a 45-degree angle. This end is dipped in red dye to mark the correct end for installation.
Antenna
Part Names: Brass coil antenna, transmitter antenna, water meter antenna
Industry: Electronics
Application: Antenna for transmitter on water meter
Material: 0.032” brass spring tempered wire
Special : Coiled with variable pitch
Electrical Contact Spring
Part Names: Battery terminal spring contact, gold plated stainless steel electrical contact, coil spring contact
Industry: Electronics
Application: Coil spring battery contact in medical diagnostic equipment
Material: 0.028 gold pre-plated stainless steel 302 wire
Special Features: Gold-plated wire; packed three stacks of five nested pieces per ziplocked bag
Agitator Motor Heater Spring
Part Names: Stainless steel extension spring, heating element extension spring, German loop extension spring
Industry: Beverage dispensing and cooling equipment
Application: Extension spring works as a heating element to keep ice agitator motor warm in beverage dispensing equipment
Material: 0.025” type 302 stainless steel wire
Special Features: German closed loops in-line
Conical Valve Spring
Part Names: Solenoid valve spring, solenoid spring, conical valve spring, CEG conical compression spring
Industry: Solenoid valves
Application: Compression spring is used inside solenoid valves that control critical flow of air, gas, water, oil or steam
Material: 0.135” phosphate-coated music wire
Special Features: Closed ends and ground; zinc plate
Spring Clip
Part Names: Heat sink clips, PCB spring clips, wire form clips
Industry: Electronics
Application: Spring clip quickly and securely mounts heat sinks to a wide range of electronics packages, including: BGA, QFP, LCC, LGA, CLCC, TSOP, DIPs and LQFP components without needing to drill holes in the PCB
Material: 0.033” stainless steel 302 wire
Special Features: Individually packed in heat sealed bags and labeled
Battery Connector
Part Names: Coiled battery contact spring, nickel plated coil battery spring
Industry: Electronics
Application: Coil spring battery contact
Material: 0.028” phosphate-coated music wire
Special Features: Electroless nickel plate, packed on tack boards to prevent tangling
Contact Spring
Part Names: Electric contact spring, conical spring, stainless steel conical compression spring
Industry: Kitchen and bathroom faucets
Application: Contact spring for touch-on, touch-off and hands-free faucets
Material: 0.024” Stainless Steel 302 Wire
Special Features: Conical spring with bottom end kicked in. Closed ends and not ground. Packed on tack board to prevent tangling.
Trigger Spring
Part Names: Torsion spring, trigger spring
Industry: Construction power tools
Application: Torsion spring for nailing gun trigger
Material: 0.032” pre-plated galvanized music wire
Special Features: Special packed 500 pieces per bag
Chamber Return Spring
Part Names: Return spring, chamber return spring, CEG compression spring
Industry: Construction power tools
Application: Compression spring returns chamber to starting position after nailing gun
Material: 0.030” phos music wire
Special Features: Closed ends and ground, electroless nickel plate, packed 500 pieces per bag
Yoke Spring Guide Assembly
Part Names: Yoke spring, CENG compression spring
Industry: Construction power tools
Application: Compression spring for yoke in combustion chamber of nailing gun
Material: 0.020” pre-plated galvanized music wire
Special Features: Closed ends and not ground, plastic spring guide is assembled to end of spring, packed 500 pieces per bag
Workpiece Contact Probe
Part Names: Contact trip, precision point tip, contact tip, work contact element, nose piece, no-mar tip, workpiece contact probe
Industry: Construction power tools
Application: Workpiece contact probe presses against work surface to aim nail and allow nailing gun to fire
Material: 0.156” annealed C1065 cold-rolled steel
Special Features: Reduce wire diameter, chamfer both ends, thread, notch (press), austemper harden, black oxide finish
Utility Hook
Part Names: Reversible belt hook, belt clip, adjustable rafter hook, suspension hook, hang hook, utility hook wire form
Industry: Construction power tools
Application: Belt or rafter hook for hanging construction power tool
Material: 0.250” annealed C1065 cold-rolled steel
Special Features: Reduce wire diameter, chamfer, thread, swage (press), austemper harden, electroless nickel plate, nylon thread lock
Need a custom wire form or coil spring? We make it work. Fill out the contact form and a representative will respond within 1 business day. Please attach a PDF or CAD file with your request to quote.
Your Team For Innovative Wire Forming
We provide solutions for complex, high-quality
wire forms and coil springs.
© Master Spring and Wire Form Co.
78 Congress Circle West, Roselle, IL 60172
