Lock Pins | McMaster-Carr

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System of Measurement

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Usable Length

Material

Fastener Head Type

Retaining Ring Groove

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Multiple Through Holes

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Retaining Ring Groove

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Handle Material

Performance

Finish

Cadmium Yellow-Chromate Plated

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Corrosion-Resistant Coated

Zinc Yellow-Chromate Plated

Thread Size

Cotter Pin Type

Shaft Type

DFARS Specialty Metals

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Number of Retaining Balls

REACH

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RoHS

Compliant

Compliant with Exemptions

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Export Control Classification Number (ECCN)

Wire Diameter

Lock Release

Handle Color

Diameter at Extended Ball Height

Retainer Shape

Minimum Hardness

7,252 Products

Fastening and Joining

Quick-Release Pins

Fasten or remove components on equipment with a spring-loaded retaining ball

2,245 products

Quick-Release Pin Receptacles

Secure quick-release pins when you don’t have a through hole

35 products

Quick-Release Pin Retaining Caps

Hold quick-release pins in holes that are oversized or out of round

23 products

Clevis Pins

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

2,039 products

Cotter Pins

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

982 products

Linch Pins

Slide into holes on clevis pins and shafts and snap down the locking ring so parts won’t fall off

20 products

Made-to-Order Pins

Create custom pins for keeping components in place—all with material certificates for traceability

162 products

Spring Plungers

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

1,403 products

Gravity Pins

Slip through holes in telescoping tubing and wrap around to secure

1 product

Spring Button Clips

Join pieces of telescoping tubing using spring force

40 products

Split Rings

Secure clevis pins, connect components, or add a pull handle; also known as key rings

67 products

Building and Machinery Hardware

Slide-Bolt Latches

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

120 products

T-Slotted Framing and Fittings

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

5 products

Material Handling

Hitch Pins

Secure hitch inserts to hitch receivers for towing

12 products

Hitch Receivers

Use with hitch inserts and pins to create a complete hitch for towing

2 products

Hitch Balls

Mount to hitch inserts and use with hitch receivers and couplers to tow trailers

9 products

Hitch Inserts

Fit into hitch receivers and secure with a hitch pin to create a connection for towing

32 products

Hitch Kits

Everything you need to attach a hitch to your vehicle’s receiver

2 products

Forklift Hitch Receivers

Secure to forklift forks and slide in a hitch to adapt a forklift for towing

1 product

Scaffold Locking Pins

Fasten base plates, guardrail posts, and other components to scaffold frames

4 products

Fabricating and Machining

Fixture Clamps

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

33 products

Power Transmission

Roller Chain Spring Clips

Replace the clips that secure ANSI roller chain connecting links

7 products

Inverted-Tooth Chain Pins

Replace the pins in your inverted-tooth chain or link two chains together

6 products

Containers, Storage, and Furniture

Pallet Rack Locking Pins

Prevent forklifts from dislodging pallet rack beams when loading and unloading pallets

2 products