Machining Clamps | McMaster-Carr

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Clamp Type

Panel Alignment

Clamping Action

System of Measurement

Thread Size

Material

Aluminum Bronze

Ferrite Ceramic

Stainless Steel

Stud Diameter

Length

7/8" to 1 1/16"

1 1/16" to 3 3/4"

Mount Type

Horizontal Mount

Height

11/16" to 15/16"

Width

ID

REACH

RoHS

Compliant with Exemptions

Pipe Size

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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

Handle Style

Sliding T-Handle

Handle Position When Clamped

Vise Type

Holding Capacity

Less than 1,000 lb.

1,000 lb. to 9,999 lb.

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

30,000 lb. or greater

Body Material

Aluminum Bronze

Stainless Steel

Jaw Style

Slot Width

Reach Length

Maximum Clamping Clearance

How can we improve?

3,020 Products

Fixture Clamps

Machine Table Clamps

Setup Clamps

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

Self-Supporting Setup Clamps

Self-Supporting Setup Clamps

The pivoting rocker clamps workpieces of various thicknesses without other support

Setup Clamps with Threaded Hole

Setup Clamps with Threaded Hole

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

Side Clamps

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

Step Setup Clamps

Step Setup Clamps

Pair with a step block to make quick height adjustments

Nonmarring Setup Clamps

Nonmarring Setup Clamps

A plastic pad protects surfaces from damage to reduce finishing time

Fingertip Setup Clamps

Fingertip Setup Clamps

Make minimal contact with the workpiece while holding securely

Low-Profile Setup Clamps with Threaded Hole

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

Setup Clamps for Angled Workpieces

Setup Clamps for Angled Workpieces

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

T-Slot Side Clamps

T-Slot Side Clamps

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

Machine Table Clamps for Round Workpieces

Machine Table Clamps for Round Workpieces

Secure large, round parts for machining

Low-Profile Setup Clamps

The offset shape provides more clearance above the nut 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 Clamp Sets

Setup Clamp Sets

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

Adjustable Setup Clamps

Adjustable Setup Clamps

Tilt to hold workpieces at a variety of heights and angles

Hydraulic Convertible Side Clamps

Hydraulic Convertible Side Clamps

Secure workpieces from the side with hydraulic or manual pressure

Fixture Clamps

Hold-Down Fixture Clamps

Hold-Down Fixture Clamps

Tighten to hold your workpiece from above

Fixture Clamps

Hold a workpiece securely from the side with minimal contact

Low-Profile Fixture Clamps

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

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

Dual-Clamping Fixture Clamps

Dual-Clamping Fixture Clamps

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

Machinable Fixture Clamps

Machinable Fixture Clamps

Machine to match the contours of your workpiece

Inside Diameter Fixture Clamps

Inside Diameter Fixture Clamps

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

Light Duty Fixture Clamp Kits

Light Duty Fixture Clamp Kits

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

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

Machinable Low-Profile Fixture Clamps

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

Ball-Lock Quick-Change Fixture Clamps

Ball-Lock Quick-Change Fixture Clamps

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

Hold-Down Fixture Clamps with Handle

Hold-Down Fixture Clamps with Handle

Turn or flip the handle to secure or release your material

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

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

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

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

Fixture Stops

Fixture Stops

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

Other Products

Fixture Kits

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

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

Toggle Clamps

Lock workpieces onto worktables or objects

Cam Handles

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

C-Clamps

Temporarily secure workpieces together or to a work surface

V-Blocks

Hold round workpieces

T-Tracks

A versatile foundation for custom fixturing setups

Vises

Secure workpieces in place

Vise Stops

Prevent horizontal movement within machine vises to keep workpieces in place

Pin Removal Blocks

Pin Removal Blocks

Remove a range of pin sizes from workpieces by tapping them into holes with a punch and hammer

Fixture Tables

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

Vise Jaws

Hold material in vises for machining

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

Clamping Screws

Clamping Screws

Apply pressure through a flat-tipped screw to hold material in place

Spring Clamps

Hold lightweight materials in place, then squeeze to release

Panel Alignment Clamps

Panel Alignment Clamps

Align and hold sheet metal panels for drilling, riveting, and welding

Parallel Keepers

Parallel Keepers

Keep parallels in place against vise jaws

Magnetic Workholding Plates

Magnetic Workholding Plates

Keep metal workpieces firmly in place for grinding, drilling, and electrical discharge machining

Clamp Holding Screws

Clamp Holding Screws

Replace worn holding screws in clamps or customize with different sizes or styles

Vise Handles

Replace handles in vises

Bench Centers

Inspect cylindrical parts for irregularities that could cause wobbles or vibrations

Parallels

Raise workpieces above your vise to create clearance for cutting tools

Pliers Clamps

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

Coordinate Measuring Machine Plates and Fixtures

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

Magnetic Clamps

Magnetic Clamps

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

Swivel Pads

Attach to the ends of screws, threaded studs, or C-clamps to apply even pressure on uneven surfaces

Dovetail Blanks

Dovetail Blanks

Machine a blank workpiece with precut dovetails and locating slots for easy setup

Holders for Locking Pliers

Holders for Locking Pliers

Secure to a table or benchtop and slide in locking pliers for a hands-free way to hold your work

Alignment Locks

Alignment Locks

Precisely align your mold halves

Band Clamps

Secure round and oddly shaped workpieces

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

Vise Bases

Hold and rotate a vise

Routing Clamps

Secure routed lines of pipe, tubing, and conduit

Fixture Squares

Fixture Squares

Build different fixtures on multiple sides of the same block

Routing J-Hooks

Routing J-Hooks

Hang, adjust, and remove bundles of cable through the wide opening more easily than with routing rings

Pipe Welding Clamps

Pipe Welding Clamps

Position and hold pipe joints for welding and assembly

Clamp Holding Screw Tips

Clamp Holding Screw Tips

Cover metal holding screws to protect workpieces from scratches

Vise Repair Kits

Vise Repair Kits

Replace commonly worn parts in vises

Inspection Parallels

Inspection Parallels

Line up workpieces for precise machining, or support them at a level height for inspecting

Clamping Screw Mounting Bases

Clamping Screw Mounting Bases

Thread clamping screw clamps into the holes to hold workpieces

Air Cylinders

Push and pull loads to do everything from stamping materials to sorting parts on conveyors

Corner Clamps

Align and secure materials at a corner joint

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