M3 Pins | McMaster-Carr

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System of Measurement

Thread Size

Length

Diameter

Shaft Diameter

Fastener Head Type

Shaft Length

Shoulder Length

Shoulder Diameter

Thread Length

Threading

Material

End Type

Drive Style

Thread Type

Thread Pitch

End Shape

Shaft Type

Pin Type

Specifications Met

REACH Compliance

DFARS Compliance

RoHS Compliance

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58 Products

Fastening and Joining

Single-End Studs

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

Studs

Press, weld, or screw in place to add a threaded fastening point

Dowel Pins

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

Spring Plungers

Spring Plungers

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

Machine Keys

Transmit torque from rotating shafts to gears, sprockets, and other machine parts

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.)