Aluminum Guide Pins | McMaster-Carr

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17-4 PH Stainless Steel

Handle Material

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Diameter at Extended Ball Height

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Handle Color

Number of Retaining Balls

DFARS Specialty Metals

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Compliant with Exemptions

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REACH

Compliant

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Export Control Classification Number (ECCN)

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400 Series Stainless Steel

Spring Material

Body Material

892 Products

Fabricating and Machining

Spring Locating Pins

Apply side force to workpieces to clamp them in place

50 products

Spring Stops

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

21 products

Locating Pin Retractors

Extend and retract locating pins to protect them when fixtures are moving

4 products

Fixturing Clamps

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

7 products

Fastening and Joining

Quick-Release Pins

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

671 products

Dowel Pins

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

26 products

Captive Pins

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

8 products

Spring Plungers

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

14 products

Measuring and Inspecting

Alignment Pins

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

9 products

Pipe Flange Aligners

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

2 products

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

74 products