Hole Pins | McMaster-Carr

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Aluminum Bronze

Grade 2 Titanium

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MIL-P-21143/2-110

MIL-P-21143/2-111

MIL-P-21143/2-112

MIL-P-21143/2-150

MIL-P-21143/2-26

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MIL-P-21143/2-68

MIL-P-21143/2-70

MIL-P-21143/2-71

MIL-P-21143/2-72

How can we improve?

5,179 Products

Dowel Pins

Dowel Pins

Precisely align machine parts and prevent movement during assembly

Undersized Dowel Pins

Undersized Dowel Pins

No need for precise holes to slip into place

Pull-Out Dowel Pins

Pull-Out Dowel Pins

Remove pins installed flush with a surface

Plastic Dowel Pins

Plastic Dowel Pins

Prevent short circuits and interference to protect electronic parts such as circuit boards

Partially Grooved Dowel Pins

Partially Grooved Dowel Pins

The grooved section secures while the smooth portion acts as a pivot or hinge

Fully Grooved Dowel Pins

Fully Grooved Dowel Pins

Tighter fit than standard pins to resist pulling

Vented Pull-Out Dowel Pins

Vented Pull-Out Dowel Pins

Insert and remove from blind holes with less effort than pins that aren't vented

Fully Grooved Dowel Pins with Rounded Head

Fully Grooved Dowel Pins with Rounded Head

Create a finished look and a tighter fit than standard pins to resist pulling

Oversized Dowel Pins

Oversized Dowel Pins

Fit worn, enlarged holes where standard pins would be too loose

Partially Grooved Dowel Pins with Notch

Partially Grooved Dowel Pins with Notch

Slip a spring into the notch to create tension between components

Wood Dowel Pins

Wood Dowel Pins

Join wood components without scratching or damaging surfaces

Partially Knurled Dowel Pins

Partially Knurled Dowel Pins

Knurls grip tighter than grooves while the smooth portion acts as a pivot or hinge

Barbed Dowel Pins with Rounded Head

Barbed Dowel Pins with Rounded Head

Create a finished look when permanently joining plastics and soft metals such as aluminum

Fully Knurled Dowel Pins

Fully Knurled Dowel Pins

Knurls grip tighter than grooves to resist both pulling and twisting

Hollow Dowel Pins

Hollow Dowel Pins

Align parts and bolt them together using the same hole

Dowel Pin Assortments

Dowel Pin Assortments

A range of sizes to precisely align a variety of parts

Two-Way Barbed Dowel Pins

Two-Way Barbed Dowel Pins

Permanently join plastics and soft metals such as aluminum

Other Products

Core Pins

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

Clevis Pins

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

Alignment Pins

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

Punch Pins

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

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

Threaded Hole Location Gauges

Threaded Hole Location Gauges

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

Pipe Flange Aligners

Pipe Flange Aligners

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

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