Spring Mechanisms | McMaster-Carr

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Spring Type

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Compliant with Exemptions

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2B350

2B999

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Compressed Length @ Maximum Load

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Load

Retaining Ring Style

Groove Diameter

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23,057 Products

Most Likely Products

Springs

Apply and absorb force with compression, die, extension, torsion, and disc springs

10,533 products

Shock Absorbers

Slow and stop loads to reduce impact that can damage equipment like conveyors, lifters, and presses

76 products

Spring Stops

Push back against workpieces to hold them in place against stops and rails

22 products

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

1,377 products

Battery Contacts

Add or replace contacts in battery holders and circuit boards

12 products

All Results

Power Transmission

Springs

Apply and absorb force with compression, die, extension, torsion, and disc springs

10,533 products

Shock Absorbers

Slow and stop loads to reduce impact that can damage equipment like conveyors, lifters, and presses

76 products

Air Springs

Absorb vibration in moving equipment such as conveyors and transfer stations; lift and level loads

24 products

Gas Springs

Support the weight of doors, hatches, and lids to assist opening and closing

812 products

Air Cylinders

Extend and retract light duty loads with compressed air

277 products

Motor Brushes

Replace motor brushes on small DC motors

49 products

Chain and Belt Pulleys

Pair with a compatible belt to transfer motion from a rotating shaft

10 products

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

23 products

Hydraulic Check Valves

Open to allow hydraulic fluid flow in one direction and close when flow stops or reverses

78 products

Air Flow Check Valves

Open to allow air flow in one direction and close when flow stops or reverses

21 products

Roller Chain Spring Clips

Replace the clips that secure ANSI roller chain connecting links

7 products

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

103 products

Fabricating and Machining

Spring Stops

Push back against workpieces to hold them in place against stops and rails

22 products

Spring Locating Pins

Apply side force to workpieces to clamp them in place

61 products

Work Supports

Reduce vibration and deformation by adjusting to secure your workpiece

3 products

Fixturing Clamps

Secure your workpiece to a fixture table so it won't move during machining

7 products

Punch, Stamp, and Chisel Holders

Protect your hands from accidental hammer strikes by gripping punches, stamps, and chisels

1 product

Paper Hole Punches

Add holes to sheets of paper to store them in binders

2 products

Hole Punches

Punch holes in metal, plastic, and fabric

4 products

Clothespins

Hold light items, secure covers, and seal bags

4 products

Clamps

Hold workpieces securely in place

57 products

Wire Cutters

Snip through various types of wire, even hardened and steel-reinforced wire

96 products

Plastic Cutters

Shear plastic and leave smooth, finished edges

13 products

Rope Cutters

Trim lengths of rope, cord, string, and twine

1 product

Vises

Secure workpieces in place

2 products

Hole Saws

Connect to a drill or drill press to make circular cuts

53 products

Drill Chuck Arbors

Attach drill chucks to machine spindles

1 product

Cable Cutters

Slice through electrical, data, armored, coaxial, and fiber-optic cable

4 products

Air Hammer Retainers

Replace the retainer on your air hammer

5 products

Scissors

Cut through a wide range of materials from paper and plastic to carpet and Kevlar

24 products

End Cutters

Wide jaws cut steel wire, nails, and small rivets close to the surface; also known as nippers

6 products

Bolt Cutters

Snip metal chain, bolts, rods, rivets, wire, and padlocks

6 products

Spring Clamp Workholders

Secure small parts in spring clamps to keep hands free for soldering, gluing, and assembling

7 products

Pipe, Tube, and Hose Cutters

Make clean cuts in pipe, tube, hose, and conduit

5 products

Cable Tie Cutters

Safety guards on the tip help you sever cable ties without damaging bundled material

1 product

Miter Angle Cutters

Make cuts at precise angles; use on weatherstripping, dowels, and trim for door and window frames

2 products

Strapping Cutters

Cut through steel and plastic strapping

1 product

Slitting Saw Arbors

Mount and center slitting saws on milling machines

2 products

Wire Duct Cutters

Trim plastic slotted wire duct to fit inside enclosures and control panels

1 product

Plier Sets

A variety of pliers styles and sizes for whatever job comes up

8 products

Wire-Gripping Pliers

Pull, bend, and cut wire; also known as lineman's pliers

3 products

Adjustable Pliers

A range of jaw positions for turning fasteners and gripping workpieces

5 products

Long-Nose Pliers

Grab, bend, and position wire and other small parts

59 products

Wire-Forming Pliers

Loop and bend wire; also known as round-nose pliers

9 products

Parallel-Jaw Pliers

Jaws grip better than standard pliers to keep irregularly shaped objects from slipping

5 products

Building and Machinery Hardware

Positioning Arms

Mount and position tools, small electronics, and displays

6 products

Prop Rods

Prop hood, trunk, and other lids open at a variety of angles

1 product

Door Holders

Mount to doors, walls, or floors to keep doors open

13 products

Lid Supports

Keep lids on cabinets, hatches, and chests open and then close them smoothly or softly

61 products

Door Closers

Automatically and smoothly pull doors, storm doors, and gates closed

103 products

Door Springs

Extend and snap back to pull storm doors and gates closed

18 products

Rotary Latches

Open doors around corners and other obstructions; adjust for misalignment when closing

50 products

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

20 products

Draw Latches

Pull toolbox and other container lids closed and secure them

18 products

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

78 products

Swinging Latches

Swing the arm into the strike plate to keep shed, refrigerator, and other doors closed

2 products

Slide-Bolt Latches

Slide the bolt to secure everything from swinging gates to overhead garage doors

20 products

Push-to-Close Latches

Automatically hold doors shut when you push them closed

140 products

Dock Door Insect Screens

Prevent bugs from entering through open dock doors

6 products

Pull Handles and Knobs

Open and close cabinets, drawers, and doors on machines and equipment

6 products

Indicating Knobs

Control devices and view settings at a glance

7 products

Mail Slots

Push mail, envelopes, and other documents through walls and closed doors

8 products

Hinges

Mount to doors, windows, and panels so they can swing open and closed

193 products

Roof Hatches

Access the roof from inside your building

6 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

51 products

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

117 products

Overhead Door Spring Winding Rods

Keep your overhead door balanced on both tracks for smooth, even opening and closing

3 products

Fastening and Joining

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

1,377 products

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

2 products

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

29 products

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

56 products

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

98 products

Turn-Button Fastener Bases

Mate with turn-button fastener eyelets to secure fabrics to solid surfaces

2 products

Clip-On Nuts

Slide onto the edge of thin panels to create a fastening point

138 products

Document Clips

Hold loose papers together without creating a permanent mark

20 products

Spring Pins

Squeeze and insert into tight holes to hold parts in place with tension

1,783 products

Retaining Rings

Hold components on a shaft

2,362 products

Clevis Pins

Secure parts in place and lock with a cotter pin or retaining ring

4 products

Cotter Pins

Secure the ends of clevis pins and shafts to keep components in place

982 products

Spring Button Clips

Join pieces of telescoping tubing using spring force

40 products

Anchor Toggles

Replace your anchor toggle if it falls when removing your toggle bolt

5 products

Lock Washers

Resist vibration to prevent fasteners from loosening

469 products

Socket Retaining Rings

Secure sockets and adapters to impact tools

39 products

Retaining Ring Pliers

Install and remove rings inside a bore or around a shaft

35 products

Electromagnets

Place on flat metal surfaces and turn on the power to create a magnetic hold

Adjust the jaws to fasten different size nuts, bolts, or workpiece

2 products

Snap-In Nut Tools

Compress the legs of snap-in nuts so they're easy to install and remove

3 products

Electrical

Battery Contacts

Add or replace contacts in battery holders and circuit boards

12 products

Battery Holders

Create an electrical connection between batteries and contacts to power equipment

43 products

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

5 products

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

5 products

Fuse Blocks

Send power to one or more circuits and house a fuse for each of them

9 products

Wire and Cable Strippers

Remove the outer insulation on wire and cable

3 products

Bonding and Grounding Clamps

Add cable or use included cable to create a grounding path, which prevents static charge buildup

1 product

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

6 products

Switch Guards

Prevent people from activating switches accidentally

2 products

Relay Contacts

Replace contacts on your relay

47 products

Electrical Connector Pliers

Firmly grasp electrical components without damaging them or surrounding parts

2 products

Material Handling

Winches

Wind up and let out rope, chain, and webbing for lifting and towing

1 product

Tool Retractors

Hang tools and pull them down as needed; let go, and the cable pulls them up and out of the way

41 products

Gripper Compensation Devices

Let grippers grab uneven parts to avoid jams during assembly, picking, and machine tending

19 products

Tool Balancers

Minimize user fatigue by suspending tools to offset their weight

37 products

Vacuum Cup Levelers

Adjust vacuum cups to lift items with variable heights; also known as spring plungers

11 products

Casters

Mount on the bottom of objects for easy movement

19 products

Vibration-Damping Hangers

Reduce vibration and noise in suspended equipment, such as air-handling units, pipe, and duct

8 products

Ball Transfers

Install in arrays to create platforms for conveying, rotating, and positioning heavy objects

4 products

Carts

Transport objects around your facility

3 products

Shackles

Lift, pull, and anchor heavy loads while keeping them secure with a pin

8 products

Carabiners

Hook onto rope and webbing to quickly connect objects, fittings, and other lengths of rope

158 products

Snap Hooks

Spring, slide, or press open to quickly connect rope and chain

127 products

Hook Latches

Replace the latch on hooks

51 products

Drum Trucks

Slide under drums to move them around your facility

6 products

Paper Roll Dispensers

Hold paper rolls and cleanly cut sheets with a spring-loaded blade

17 products

Containers, Storage, and Furniture

Grease Gun Holders

Keep grease guns within reach of machinery

1 product

Pegboard Clips

Hold instructions, safety sheets, and small bags on pegboard

2 products

Tool Holders

Mount brooms, cordless drills, flashlights, and other tools

52 products

Pegboard Tool Holders

Store tools such as pliers, screwdrivers, and hammers on pegboard

7 products

Chests

Secure equipment and supplies at jobsites; also known as job boxes

7 products

Measuring and Inspecting

Spring Test Probes

Use in spring test probe sockets to test for continuity and damaged components in circuit boards

79 products

Edge Finders

Locate edges, shoulders, center points, and lines on workpieces in milling machines

3 products

Center Punches

Mark center holes in metal and other material

1 product

Scales

Bench-top, hanging, floor, and conveyor scales

24 products

Force Gauges

Test objects to see how much tension and compression force they can bear

11 products

Lubricating

Grease Gun Tip Adapters

Quickly switch between standard, button-head, and flush-style grease fittings

1 product

Grease Gun Couplers

Extend the dispensing tip on grease guns to lubricate angled and hard-to-reach areas

2 products

Fluid Handling

Hose Kink Absorbers

Prevent garden hose from kinking to ensure maximum water flow and extend hose life

1 product

On-Off Valves

Start and stop flow through a line

182 products

Diverting Valves

Redirect flow between ports

18 products

Check Valves

Permit flow in only one direction by closing when flow stops or reverses

502 products

RTDs

Measure and transmit liquid, gas, and surface temperature more precisely than thermocouples

11 products

Vacuum Breakers

When pressure drops, vents open to prevent suction from drawing liquid back upstream

2 products

Flow-Adjustment Valves

Gradually open and close to control the volume of air and liquids though a line

4 products

Valve Actuators

Automatically start and stop flow to your valve

14 products

Wraparound Heaters

Wrap around drums, pails, and other containers to indirectly warm their contents

40 products

Thermocouples

Measure and transmit liquid, gas, and surface temperature

69 products

Hose Clamp Installation Tools

Tighten hose clamps over hose and fittings to secure them

5 products

Thermocouple and RTD Fittings

Alter probe immersion depth or adapt unthreaded connections for use with threaded tanks and heads

4 products

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

10 products

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

99 products

Lighting

Facility Lights

Illuminate both indoor and outdoor areas with a permanent light source

4 products

Safety Equipment

Safety Gates

Swing closed behind you for easy entrance and exit

46 products

Leggings

Protect shins and feet from radiant heat, flames, welding sparks, and molten metal splashes

2 products

Guardrails

Protect pedestrian walkways from vehicles

2 products

Communication

Tamper-Evident Seals

Secure hasps, latches, and other connections to visibly indicate tampering

4 products

Signs

Everything from accident prevention to traffic control to exit signs

3 products

Sign Posts

Drive into the ground or mount to a base to display signs

4 products

Sealing

Spring-Loaded Seals

Seal rods and pistons with a wider range of temperature and chemical resistance than U-cup seals

54 products