Precision Pins | McMaster-Carr

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6,743 Products

Fastening and Joining

Dowel Pins

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

Captive Pins

Press into holes in thin materials like panels and circuit boards to permanently join or align them

Dowel Pin Stock

Dowel Pin Stock

Cut to the length you need for positioning and holding parts in place

Clevis Pins

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

Taper Pins

Fit snugly into tapered holes to secure, position, and align components

Weld Pins

Weld in place for greater rigidity and strength than other pins

Shear Pins

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

Fabricating and Machining

Core Pins

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

Ejector Pins

Push finished parts out of molds

Ejector Sleeves

Ejector Sleeves

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

Ejector Blades

Flat end pushes thin-walled parts out of molds better than ejector pins

Punch Pins

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

Measuring and Inspecting

Plug Gauges

Verify the diameter or threads of machined holes in finished parts; also called pin gauges

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)