Fixture Clamps | McMaster-Carr

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System of Measurement

Thread Size

Clamping Action

Clamp Type

Thumb Screw with Stem

Material

Stud Diameter

Mount Type

Threaded Through Hole

Length

Head Material

Height

Width

Handle Position When Clamped

Holding Capacity

1,000 lb. to 1,999 lb.

2,000 lb. to 2,999 lb.

3,000 lb. to 9,999 lb.

10,000 lb. or greater

Handle Style

REACH

Maximum Clamping Clearance

RoHS

Compliant with Exemptions

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Exempt

Not Compliant

Export Control Classification Number (ECCN)

Head Width

Thread Length

Head Height

Drive Style

Overall Length When Clamped

2,135 Products

Fixture Clamps

Hold a workpiece securely from the side with minimal contact

40 products

Low-Profile Fixture Clamps

Grip the bottom of a workpiece edge for maximum cutting tool access

36 products

Hold-Down Fixture Clamps

Tighten to hold your workpiece from above

15 products

Dual-Clamping Fixture Clamps

Wedge between two workpieces then tighten the screw for a secure hold

24 products

Inside Diameter Fixture Clamps

Secure a workpiece from the inside, leaving the outside clear for machining

22 products

Machinable Dual-Clamping Fixture Clamps

Machine to match the contours of your workpieces and tighten the screw to grip them

5 products

Machinable Fixture Clamps

Machine to match the contours of your workpiece

8 products

Light Duty Fixture Clamp Kits

A variety of clamps for woodworking and machining jobs that require light pressure

1 product

Machinable Low-Profile Fixture Clamps

Machine to match the contours of your workpiece and grip the bottom for maximum access

4 products

Fixture Clamps for Castings and Rough Parts

Ridges bite into castings and rough-cut stock for a secure grip

6 products

Ball-Lock Quick-Change Fixture Clamps

Build into fixture plates, machine subplates, and tombstones for quick changes

24 products

Hold-Down Fixture Clamps with Handle

Turn or flip the handle to secure or release your material

24 products

Inside Diameter Fixture Clamps for Castings and Rough Parts

Wedge against the ID to grip unfinished and uneven parts for clear access to the outside

3 products

Quarter-Turn Quick-Change Fixture Clamps

Quickly swap components in and out of fixture plates, machine subplates, and tombstones

9 products

Threaded Air-Powered Hold-Down Fixture Clamps for Welding

Screw into a tapped hole and use air to consistently clamp and release parts when welding

20 products

Air-Powered Hold-Down Fixture Clamps for Welding

Easy to move and reposition when welding, use air to consistently clamp and release parts

20 products

Hydraulic Hold-Down Fixture Clamps

Best for CNC milling, hold with 10 times the force of air-powered clamps

18 products

Wood T-Slot Fixture Table Kits

Cut T-tracks into wood to create router jigs, assembly tables, and other woodworking fixtures

6 products

Machine Table Clamps

Setup Clamps

Use with T-slot fasteners and a support to secure a workpiece, vise, or fixture to a table

26 products

Setup Clamps with Threaded Hole

Support with a screw, leveling mount, or any other threaded object

23 products

Side Clamps

Also known as toe clamps, grip the side of your workpiece to leave the top free for machining

27 products

Self-Supporting Setup Clamps

The pivoting rocker clamps workpieces of various thicknesses without other support

10 products

Step Setup Clamps

Pair with a step block to make quick height adjustments

15 products

T-Slot Side Clamps

Clamp parts quickly with the built-in T-slot nut

7 products

Nonmarring Setup Clamps

A plastic pad protects surfaces from damage to reduce finishing time

4 products

Low-Profile Setup Clamps

The offset shape provides more clearance above the nut than standard clamps

3 products

Fingertip Setup Clamps

Make minimal contact with the workpiece while holding securely

8 products

Vise Mounting Clamps

Smaller than standard clamps so you can mount a vise and still have space to spare

4 products

Low-Profile Setup Clamps with Threaded Hole

Support with a threaded object and the offset shape gives more clearance than standard clamps

5 products

Machine Table Clamps for Round Workpieces

Secure large, round parts for machining

12 products

Setup Clamps for Angled Workpieces

A pivoting ball in the tip gets a firm hold on angled parts

4 products

Hydraulic Convertible Side Clamps

Secure workpieces from the side with hydraulic or manual pressure

4 products

Adjustable Setup Clamps

Tilt to hold workpieces at a variety of heights and angles

5 products

Setup Clamp Sets

Include standard, step, and low-profile clamps to tackle a variety of machining jobs

3 products

Fixture Stops

Install in workbenches and fixtures and the flat edge holds workpieces in place

1 product

Other Products

Toggle Clamps

Lock workpieces onto worktables or objects

239 products

Fixture Kits

Everything needed to mount workpieces of different sizes to your machine table

23 products

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

126 products

T-Slot Clamp Supports

Hold up clamps to keep them in place when they're unclamped

7 products

Cam Handles

For fast clamping, push down on the handle to draw two parts together

106 products

Fixture Tables

Add clamps, brackets, and other components to build fixtures for welding and assembly

70 products

Support Blocks

Support setup clamps for quick height adjustments

16 products

Clamping Screw Clamps

Mount in a base or through a threaded hole, then tighten the tip to hold a workpiece in place

18 products

Adjustable Handles

Lift and turn to easily position and tighten components; also called clamping handles

759 products

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

79 products

Clamp Holding Screw Tips

Cover metal holding screws to protect workpieces from scratches

12 products

Jaw Fixtures

Mount to a milling machine, drill press, or other flat surface to grip workpieces

12 products

Magnetic Clamps

Hold magnetic workpieces at common angles such as 90° or 45°

26 products

Ring Stands

Hold lightweight objects such as beakers and other lab equipment

12 products

Clamping Screw Mounting Bases

Thread clamping screw clamps into the holes to hold workpieces

7 products

Corner Clamps

Align and secure materials at a corner joint

4 products

Pliers Clamps

Clamp and lock workpieces with plier-style jaws for secure handling or transport

4 products

V-Blocks

Hold round workpieces

72 products

Fixture Squares

Build different fixtures on multiple sides of the same block

38 products

Magnets

Attract or repel metal objects to hang, secure, or position them

2 products

Railing Clamps

Clamp onto metal tubes to hang lighting fixtures, threaded rod, and equipment

15 products

Tailstocks

Stabilize long workpieces for precise machining

4 products