1/4"-20 Pins | McMaster-Carr

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System of Measurement

Length

Diameter

Fastener Head Type

Retaining Ring Groove

Material

Stainless Steel

Thread Length

Shaft Diameter

Mount Type

Shaft Length

End Type

Spring-Loaded Ball

Shoulder Diameter

Drive Style

Spring Plunger Driver

Shoulder Length

Thread Type

End Shape

Thread Spacing

Threading

Partially Threaded

Threaded on Both Ends

Threaded on One End

Shaft Type

Usable Length

Body Material

Stainless Steel

Nose Material

Stainless Steel

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

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542 Products

Fastening and Joining

Single-End Studs

Single-End Studs

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

Dowel Pins

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

Made-to-Order Pins

Made-to-Order Pins

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

Quick-Release Pins

Quick-Release Pins

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

Taper Pins

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

Spring Plungers

Spring Plungers

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

Spring Plunger Mounts

Spring Plunger Mounts

Secure ball-nose and long-nose spring plungers to fixture surfaces

Shoulder Screws

Shoulder Screws

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

T-Bolts

Turn by hand for easy fastening, use as a handle, or attach as a point for straps and clamps

Studs

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

Tighten and loosen by hand without the need for tools

Anchors

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

Machine Keys

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

Spring Plunger Drivers

Spring Plunger Drivers

Install spring plungers from the nose end without depressing the nose

Anchor Installation Tools

Anchor Installation Tools

Drive with a hammer to expand and secure anchors in place

Stud Welders

Join studs and pins to metal, leaving no marks on the back of the material

Fabricating and Machining

Locating Pins

Install in fixturing plates or tables to position and secure workpieces

Locating and Support Buttons

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

Spring Locating Pins

Spring Locating Pins

Apply side force to workpieces to clamp them in place

Alignment Locks

Alignment Locks

Precisely align your mold halves

Measuring and Inspecting

Coordinate Measuring Machine Plates and Fixtures

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

Threaded Hole Location Gauges

Threaded Hole Location Gauges

Pinpoint the true center of threaded holes to precisely align and measure parts

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.)