Work-Positioning Pins | McMaster-Carr

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System of Measurement

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Length

Material

End Shape

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Fastener Head Type

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Pin Type

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Unthreaded Through Hole

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Spring Plunger Nose Type

Ball

Hex

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DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Body Length

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

Tolerance Rating

Extended Nose Length

Locking Type

Extended Nose Force

6,368 Products

Fastening and Joining

Dowel Pins

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

3,270 products

Taper Pins

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

667 products

Shear Pins

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

58 products

Weld Pins

Weld in place for greater rigidity and strength than other pins

28 products

Dowel Pin Stock

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

52 products

Spring Plungers

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

1,395 products

Spring Plunger Mounts

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

14 products

Spring Plunger Catches

Act as a stop for positioning ball-nose and long-nose spring plungers

16 products

Spring Plunger Drivers

Install spring plungers from the nose end without depressing the nose

10 products

Fabricating and Machining

Locating Pins

Install in fixturing plates or tables to position and secure workpieces

198 products

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

168 products

Slotted Bushings

Pair with a standard bushing to prevent alignment pins from binding in your fixture

34 products

Spring Locating Pin Installation Tools

Hold spring locating pins in place for installation

6 products

Fixture Kits

Everything needed to mount workpieces of different sizes to your machine table

2 products

Spring Locating Pins

Apply side force to workpieces to clamp them in place

59 products

Index Plungers

Align parts that have mating bushings for more precision than standard spring plungers

6 products

Spring Stops

Push back against workpieces to hold them in place against stops and rails

34 products

Fixture Clamps

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

33 products

Measuring and Inspecting

Alignment Pins

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

128 products

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

123 products

Pipe Flange Aligners

Line up flange holes so they bolt securely and connections won’t leak

21 products

Threaded Hole Location Gauges

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

70 products