Precision Dowel Pins | McMaster-Carr

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System of Measurement

Diameter

Length

Material

Aluminum Bronze

Grade 2 Titanium

Stainless Steel

End Shape

Shaft Type

Fastener Head Type

Retaining Ring Groove

Pin Type

End Type

Retaining Ring Groove

Minimum Hardness

Tolerance Rating

Performance

Chemical Resistant

Corrosion Resistant

Impact Resistant

Stress Resistant

Thread Size

Specifications Met

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Passivation

REACH

Export Control Classification Number (ECCN)

Head Diameter

Hole Diameter

0.031" to 0.032"

0.039" to 0.040"

0.047" to 0.048"

0.051" to 0.053"

0.061" to 0.065"

0.062" to 0.065"

0.077" to 0.081"

0.078" to 0.081"

0.093" to 0.097"

0.094" to 0.097"

0.108" to 0.112"

0.109" to 0.112"

0.124" to 0.129"

0.125" to 0.129"

0.14" to 0.144"

Double Shear Breaking Strength

Finish

Phosphate Coated

Breaking Strength

Large End Diameter

Steel Grade

12L13 Carbon Steel

12L14 Carbon Steel

1117 Carbon Steel

1215 Carbon Steel

4140 Alloy Steel

6150 Vanadium Steel

52100 Alloy Steel

How can we improve?

9,324 Products

Dowel Pins

Dowel Pins

Precisely align machine parts and prevent movement during assembly

Plastic Dowel Pins

Plastic Dowel Pins

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

Undersized Dowel Pins

Undersized Dowel Pins

No need for precise holes to slip into place

Oversized Dowel Pins

Oversized Dowel Pins

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

Pull-Out Dowel Pins

Pull-Out Dowel Pins

Remove pins installed flush with a surface

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

Fully Grooved Dowel Pins

Tighter fit than standard pins to resist pulling

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

Partially Grooved Dowel Pins

Partially Grooved Dowel Pins

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

Partially Grooved Dowel Pins with Notch

Partially Grooved Dowel Pins with Notch

Slip a spring into the notch to create tension between components

Fully Knurled Dowel Pins

Fully Knurled Dowel Pins

Knurls grip tighter than grooves to resist both pulling and twisting

Partially Knurled Dowel Pins

Partially Knurled Dowel Pins

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

Wood Dowel Pins

Wood Dowel Pins

Join wood components without scratching or damaging surfaces

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

Two-Way Barbed Dowel Pins

Two-Way Barbed Dowel Pins

Permanently join plastics and soft metals such as aluminum

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

Other Products

Core Pins

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

Ejector Pins

Push finished parts out of molds

Taper Pins

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

Dowel Pin Stock

Dowel Pin Stock

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

Locating Pins

Install in fixturing plates or tables to position and secure workpieces

Shoulder Screws

Shoulder Screws

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

Single-End Studs

Single-End Studs

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

Made-to-Order Pins

Made-to-Order Pins

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

Spring Pins

Squeeze and insert into tight holes to hold parts in place with tension

Alignment Pins

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

Captive Pins

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

Coordinate Measuring Machine Plates and Fixtures

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

Locating and Support Buttons

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

Ejector Blades

Flat end pushes thin-walled parts out of molds better than ejector pins

Spring Locating Pins

Spring Locating Pins

Apply side force to workpieces to clamp them in place

Ejector Sleeves

Ejector Sleeves

Use with mold pins to form holes, bosses, and other features in parts

Spring Stops

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

Threaded Hole Location Gauges

Threaded Hole Location Gauges

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

Shear Pins

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

Fixturing Clamps

Fixturing Clamps

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

Punch Pins

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

Weld Pins

Weld in place for greater rigidity and strength than other pins

Pipe Flange Aligners

Pipe Flange Aligners

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

Slotted Bushings

Slotted Bushings

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

Index Plungers

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

Spring Locating Pin Installation Tools

Spring Locating Pin Installation Tools

Hold spring locating pins in place for installation

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