Aluminum Locating Pins | McMaster-Carr

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	Material Material

Steel

Stainless Steel

Aluminum

	Body Material Body Material

Aluminum

Steel

	System of Measurement System of Measurement

Inch

Metric

	Diameter Diameter

	Usable Length Usable Length

	Pin Type Pin Type


Dowel	Quick Release

Captive

	Head Type Head Type


Plain	Flat

T-Handle	Knob

L-Handle	Ring

	End Type End Type


Plain	Spring-Loaded Ball

	Lock Type Lock Type

Push Button

Nonlocking

Lever

	Maximum Spring Force Maximum Spring Force

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	Shaft Type Shaft Type


Plain	Grooved

Expanding Diameter

	Face Shape Face Shape

Square

Round

Square with Tang

Square with Chamfered
Bottom

	Face Material Face Material

Steel

Plastic

Stainless Steel

	Body Diameter Body Diameter

	Breaking Strength Breaking Strength

	End Shape End Shape

	Chamfered

	Minimum Spring Force Minimum Spring Force

	Head Material Head Material

Steel

Stainless Steel

Plastic

	Number of Retaining Balls Number of Retaining Balls

	Spring Material Spring Material

Stainless Steel

Steel

	Handle Material Handle Material

Aluminum

Stainless Steel

	Ball Material Ball Material

400 Series Stainless Steel

316 Stainless Steel

440C Stainless Steel

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833 Products

Clamping and Workholding

Locating Pin Retractors

Use the handle on these retractors to extend and retract a locating pin, protecting the pin from damage in applications where fixtures move through a process, such as along a conveyor belt.

Air-Powered Locating Pin Retractors

A good choice for automated clamping, these retractors use compressed air to extend and retract a locating pin, protecting the pin from damage in applications where fixtures move through a process, such as along a conveyor belt.

Spring-Loaded Guide Pins

As the workpiece pushes against the pin head in one direction, the internal spring pushes back to hold it in place for clamping.

Sealed Spring-Loaded Guide Pins

Sealed at the top to prevent debris from getting inside and making them seize up, these guide pins are a good choice for machining fixtures.

Create-Your-Own Spring-Loaded Guide Pins

Thread in a screw, handle, or other part to create the right size and shape guide pin for your application.

Spring-Loaded Guide Plungers

As the face of these plungers is pushed in, the internal spring applies outward pressure to hold a workpiece in position against stops and rails.

Spring-Loaded Guide Plungers for Thin Workpieces

Set the tang in a slot below the work surface to prevent thin material from sliding underneath the face.

Ball-Lock Quick-Change Fixture Clamps

Build these components into fixture plates, machine subplates, and tombstones for quick changes. The system clamps and locates at the same time for accurate positioning with repeatability of ±0.0005".

Inspection and Measuring Fixturing

Use these components in coordinate measuring machine (CMM) applications to raise a workpiece and reliably position it on a fixture plate with ¼"-20 holes.

Fasteners

Dowel Pins

Use these metal dowel pins as pivots, hinges, shafts, jigs, and fixtures to locate or hold parts.

T-Handle Locking Quick-Release Pins

For a more secure hold than standard quick-release pins, these pins lock in place until you push the button to release the spring-loaded retaining balls.

Knob-Grip Locking Quick-Release Pins

The extra height and smaller width of the grip make the button more accessible in tight spaces. For a more secure hold than standard quick-release pins, these pins lock in place until you push the button to release the spring-loaded retaining balls.

L-Handle Locking Quick-Release Pins

When there isn't enough room for a T-handle, an L-handle saves space but is still easy to grip. For a more secure hold than standard quick-release pins, these pins lock in place until you push the button to release the spring-loaded retaining balls.

Adjustable-Length Locking Quick-Release Pins

These pins adjust to take up play in a system or hold parts in holes of varying thicknesses. Spin the handle up or down, then tighten the locknut to change the length by up to ½”. Pins lock in place until you push the button to release the spring-loaded retaining balls.

Ring-Grip Quick-Release Pins

The smooth ring handle on these pins won't catch on parts. A spring-loaded, nonlocking retaining ball pops out when the pin is pushed through a hole, and retracts when the pin is pulled out.

Expanding Diameter Quick-Release Pins

Flip the handle 180° to expand and contract the shaft for a tight, vibration-resistant fit.

Captive Fastening Pins

Often used in cell phones and laptops, these pins attach thin panels such as printed circuit boards to metal and plastic bases. Also known as PEM® TA and T4 TackPins.

Captive Fastening Pins for Soft Materials

The grooves in these pins grip plastics and other soft materials. Press them in to hold panels together. Also known as PEM® TKA and TK4 TackSert pins.

Twist-to-Lock Thread-In Captive-Panel
Retractable Spring Plungers

Lock the nose in the retracted position by pulling the knob and rotating it 90°.

Thread-In Captive-Panel Retractable Spring Plungers

Insert the nose into a panel; then thread on the nut and tighten using an installation wrench.

Press-Fit Extra-Long-Nose Spring Plungers

Noses are up to four times longer than standard long-nose press-fit spring plungers.

Clamping and Workholding

Locating Pin Retractors

Air-Powered Locating Pin Retractors

Spring-Loaded Guide Pins

Sealed Spring-Loaded Guide Pins

Create-Your-Own Spring-Loaded Guide Pins

Spring-Loaded Guide Plungers

Spring-Loaded Guide Plungers for Thin Workpieces

Ball-Lock Quick-Change Fixture Clamps

Inspection and Measuring Fixturing

Fasteners

Dowel Pins

T-Handle Locking Quick-Release Pins

Knob-Grip Locking Quick-Release Pins

L-Handle Locking Quick-Release Pins

Adjustable-Length Locking Quick-Release Pins

Ring-Grip Quick-Release Pins

Expanding Diameter Quick-Release Pins

Captive Fastening Pins

Captive Fastening Pins for Soft Materials

Twist-to-Lock Thread-In Captive-PanelRetractable Spring Plungers

Thread-In Captive-Panel Retractable Spring Plungers

Press-Fit Extra-Long-Nose Spring Plungers

Twist-to-Lock Thread-In Captive-Panel
Retractable Spring Plungers