Hold-Down Clamps | McMaster-Carr

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Clamping Action

Clamp Type

Handle Position When Clamped

Mount Type

Threaded Through Hole

Unthreaded Hole

Unthreaded Plug

Weld On

System of Measurement

Arm Length

Maximum Clamping Clearance

Overall Length 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

Thread Size

Holding Screw Thread Size

Material

Holding Screw Tip Material

Number of Mounting Holes

Body Material

Handle Style

Overall Height When Clamped

Arm Opening Angle

Arm Style

Mounting Hole Diameter

Handle Material

REACH

RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Exempt

Not Compliant

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

Yes

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2,356 Products

Fabricating and Machining

Toggle Clamps

Lock workpieces onto worktables or objects

350 products

Clamp Holding Screws

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

52 products

Pliers Clamps

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

6 products

Clamping Screws

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

47 products

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

5 products

Clamp Holding Screw Tips

Cover metal holding screws to protect workpieces from scratches

12 products

Clamp Holding Washers

Replace worn washers on open-arm toggle clamps to keep holding screws in place

12 products

C-Clamps

Temporarily secure workpieces together or to a work surface

2 products

Clamping Screw Mounting Bases

Thread clamping screw clamps into the holes to hold workpieces

7 products

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

224 products

Fixture Kits

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

23 products

T-Slot Clamp Supports

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

7 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

Fixture Squares

Build different fixtures on multiple sides of the same block

38 products

Building and Machinery Hardware

Draw Latches

Pull toolbox and other container lids closed and secure them

468 products

Cam Handles

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

106 products

Adjustable Handles

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

759 products

T-Slotted Framing and Fittings

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

2 products

Measuring and Inspecting

Coordinate Measuring Machine Fixture Clamps

Keep workpieces in place for hands-free measuring and inspecting

28 products