3/4" Pins | McMaster-Carr

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Retaining Ring Groove

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Sold As

544 Products

Fastening and Joining

Clevis Pins

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

185 products

Quick-Release Pins

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

154 products

Dowel Pins

Align parts before assembly or use as a pivot, shaft, or hinge to join moving components

91 products

Made-to-Order Pins

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

27 products

Spring Pins

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

9 products

Shear Pins

Use with shear hubs to break at a specific torque and safeguard machinery from overloads

26 products

Anchors

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

23 products

Fabricating and Machining

Ejector Pins

Push finished parts out of molds

3 products

Core Pins

Add to molds and pour in plastic to form holes in finished parts

2 products

Ejector Sleeves

Use with mold pins to form holes, bosses, and other features in parts

3 products

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

7 products

Punch Pins

Use with press dies to punch 1/8" and larger holes; modify to fit your application

3 products

Power Transmission

Hydraulic Cylinder Mounts

Restrain cylinders and secure loads to the end of the rod

2 products

Measuring and Inspecting

Alignment Pins

Line up holes in sheet metal, I-beams, and angle irons for bolting, riveting, and welding

3 products

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

6 products