Steel Fixture Clamps | McMaster-Carr

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Material

Stainless Steel

Head Material

Stainless Steel

System of Measurement

Thread Size

Clamping Action

Clamp Type

Thumb Screw with Stem

Stud Diameter

Length

7/8" to 1 1/16"

1 1/16" to 3 3/4"

Height

Mount Type

Horizontal Mount

Unthreaded Hole

Width

Handle Position When Clamped

Maximum Clamping Clearance

Holding Capacity

Less than 1,000 lb.

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

ID

0.768" to 0.945"

0.925" to 1.142"

1.122" to 1.417"

4.1 mm to 7.4 mm

7.1 mm to 12.4 mm

Fastener Head Type

RoHS

Compliant with Exemptions

REACH

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

Export Control Classification Number (ECCN)

Drive Style

DFARS Specialty Metals

Screw Material

Stainless Steel

Body Material

Stainless Steel

Handle Material

Stainless Steel

Arm Length

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1,281 Products

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Fixture Clamps

Fixture Clamps

Fixture Clamps

Hold a workpiece securely from the side with minimal contact

Hold-Down Fixture Clamps

Hold-Down Fixture Clamps

Tighten to hold your workpiece from above

Low-Profile Fixture Clamps

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

Inside Diameter Fixture Clamps

Inside Diameter Fixture Clamps

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

Dual-Clamping Fixture Clamps

Dual-Clamping Fixture Clamps

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

Machinable Dual-Clamping Fixture Clamps

Machinable Dual-Clamping Fixture Clamps

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

Hold-Down Fixture Clamps with Handle

Hold-Down Fixture Clamps with Handle

Turn or flip the handle to secure or release your material

Machinable Fixture Clamps

Machinable Fixture Clamps

Machine to match the contours of your workpiece

Machinable Low-Profile Fixture Clamps

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

Fixture Clamps for Castings and Rough Parts

Fixture Clamps for Castings and Rough Parts

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

Ball-Lock Quick-Change Fixture Clamps

Ball-Lock Quick-Change Fixture Clamps

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

Quarter-Turn Quick-Change Fixture Clamps

Quarter-Turn Quick-Change Fixture Clamps

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

Inside Diameter Fixture Clamps for Castings and Rough Parts

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

Hydraulic Hold-Down Fixture Clamps

Hydraulic Hold-Down Fixture Clamps

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

Air-Powered Hold-Down Fixture Clamps for Welding

Air-Powered Hold-Down Fixture Clamps for Welding

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

Threaded Air-Powered Hold-Down Fixture Clamps for Welding

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

Wood T-Slot Fixture Table Kits

Wood T-Slot Fixture Table Kits

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

Machine Table Clamps

Side Clamps

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

Setup Clamps

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

Setup Clamps with Threaded Hole

Setup Clamps with Threaded Hole

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

Step Setup Clamps

Step Setup Clamps

Pair with a step block to make quick height adjustments

T-Slot Side Clamps

T-Slot Side Clamps

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

Nonmarring Setup Clamps

Nonmarring Setup Clamps

A plastic pad protects surfaces from damage to reduce finishing time

Low-Profile Setup Clamps

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

Hydraulic Convertible Side Clamps

Hydraulic Convertible Side Clamps

Secure workpieces from the side with hydraulic or manual pressure

Adjustable Setup Clamps

Adjustable Setup Clamps

Tilt to hold workpieces at a variety of heights and angles

Setup Clamp Sets

Setup Clamp Sets

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

Low-Profile Setup Clamps with Threaded Hole

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

Vise Mounting Clamps

Vise Mounting Clamps

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

Setup Clamps for Angled Workpieces

Setup Clamps for Angled Workpieces

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

Machine Table Clamps for Round Workpieces

Machine Table Clamps for Round Workpieces

Secure large, round parts for machining

Fingertip Setup Clamps

Fingertip Setup Clamps

Make minimal contact with the workpiece while holding securely

Other Products

Toggle Clamps

Lock workpieces onto worktables or objects

Fixture Kits

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

Clamping Screw Clamps

Clamping Screw Clamps

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

Fixture Tables

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

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

Clamping Screw Mounting Bases

Clamping Screw Mounting Bases

Thread clamping screw clamps into the holes to hold workpieces

T-Slot Clamp Supports

T-Slot Clamp Supports

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

Support Blocks

Support setup clamps for quick height adjustments

Jaw Fixtures

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

V-Blocks

Hold round workpieces

Pliers Clamps

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

Cam Handles

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

Coordinate Measuring Machine Plates and Fixtures

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

Fixture Squares

Fixture Squares

Build different fixtures on multiple sides of the same block

Magnets

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

Adjustable Handles

Adjustable Handles

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

Magnetic Clamps

Magnetic Clamps

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

Corner Clamps

Align and secure materials at a corner joint

Ring Stands

Hold lightweight objects such as beakers and other lab equipment

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