Arm Clamps | McMaster-Carr

	Clamp Type Clamp Type


Bar	Handscrew

Spring	Plier

Tweezer	Hold Down

	Maximum Opening Maximum Opening

	Clamping Action Clamping Action

Squeeze

Spread

Hold Down

	Handle Style Handle Style


Sliding T	Screwdriver

Pistol	Crank

Pliers	Thumb Screw

Lever

	Reach Reach

	Component Component

	Clamping Surface Type Clamping Surface Type


Fixed	Swivel Pad

Pivoting Jaw

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

DFARS Specialty Metals
COTS-Exempt

	Holding Capacity Holding Capacity

6,000 lbs. or greater

Not Rated

	Material Material

	Maximum Load Capacity Maximum Load Capacity

	Mount Type Mount Type

	Clamping Surface Material Clamping Surface Material

	Attaching End Mount Type Attaching End Mount Type

	System of Measurement System of Measurement

Inch

Metric

	Attaching End Mounting Thread Size Attaching End Mounting Thread Size

	Body Material Body Material

	Length Length

	Base Mount Type Base Mount Type

	Handle Material Handle Material

	Arm Material Arm Material

	Maximum Projection Maximum Projection

	Clamping Surface Location Clamping Surface Location

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172 Products

Clamps

Fast-Action Bar Clamps

The clamping arm slides freely along the bar for quick, one handed positioning. Tighten the screw onto a workpiece and the arm locks in place.

Heavy Duty Fast-Action Bar Clamps

These clamps have twice the capacity of standard fast-action bar clamps.

Extra Heavy Duty Fast-Action Bar Clamps

For the most demanding jobs, these clamps have almost five times the capacity of standard fast-action bar clamps.

Vibration-Resistant Fast-Action Bar Clamps

Pull the handle to lock the jaw in place and prevent loosening caused by vibration.

Tight-Clearance Any-Length Bar Clamps

All adjustments can be made from one end, allowing clamping in tight spaces.

Bar Clamps

Pull the lever to slide the clamping arm along the bar; release to lock in place.

Heavy Duty Bar Clamps

Hold up to five times the capacity of standard bar clamps. These are also known as I-beam clamps.

Any-Length Bar Clamps

Place the arms on a pipe that is threaded at one end and at least 12" long to create your own bar clamp.

Trigger-Action Bar Clamps

Press the trigger to slide the clamping arm along the bar. Release the trigger and squeeze the pistol-grip handle to lock the clamp in place.

Parallel-Jaw Bar Clamps/Spreaders

The large, flat jaws remain parallel when clamping to apply even pressure without denting or marring the workpiece. Pull the handle to lock or release the clamping arm.

Trigger-Action Bar Clamps/Spreaders

Press the trigger to slide the clamping arm along the bar. Release the trigger and squeeze the pistol-grip handle to lock the clamp in place.

Bar Clamps for Recessed Areas

Also known as J-clamps, these provide additional clearance to reach around obstructions and clamp workpieces in recessed areas.

Spring Clamps with Flexible Arm

Attached to an arm you can flex into position, these clamps hold objects such as a flashlight, tool, or instructions.

Bar-Style Locking Plier Clamps

Slide the upper jaw to adjust the opening size. These clamps hold larger workpieces than other locking plier clamps of similar size.

Bench-Mount Bar-Style Hold-Down Clamps

Mount the base to a work surface using screws.

Parallel Handscrew Clamps

The matching jaws are ground flat for a firm grip and even pressure when clamping smooth surfaces.

Adjustable-Angle Handscrew Clamps

Each jaw can be positioned at an angle to hold round, angled, and odd-shaped material.

Clamp Workholders

Create-Your-Own Workholders

Build a custom clamping system for holding lightweight objects such as beakers and laboratory equipment.

Spring Clamp Workholders

Secure small parts in spring clamps to keep hands free for soldering, gluing, and assembly.

Positioning Arms

Bend-and-Stay Positioning Arms

Stronger and with greater load capacities than gooseneck-style positioning arms, these arms keep their shape even when moving or when exposed to vibration. They’re often used in robotics and conveyor applications when frequent repositioning isn’t required.

Any-Which-Way Positioning Arms

Bend these arms to hold small equipment such as lights and microphones in almost any position.