Hold-Down Clamps | McMaster-Carr

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Clamping Action

Handle Position When Clamped

Down

Horizontal

Clamp Type

Mount Type

Threaded Through Hole

Unthreaded Hole

Unthreaded Plug

Weld On

System of Measurement

Arm Length

Overall Length When Clamped

Maximum Clamping Clearance

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

Not Rated

Holding Screw Thread Size

Thread Size

Holding Screw Tip Material

Material

Number of Mounting Holes

Body Material

Handle Style

Overall Height When Clamped

Arm Style

Arm Opening Angle

Mounting Hole Diameter

Grip Style

REACH

RoHS

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

Exempt

Not Compliant

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

Yes

Export Control Classification Number (ECCN)

EAR99

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2,309 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

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Pliers Clamps

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

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Clamping Screws

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

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Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

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Clamp Holding Screw Tips

Cover metal holding screws to protect workpieces from scratches

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Clamp Holding Washers

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

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C-Clamps

Temporarily secure workpieces together or to a work surface

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Clamping Screw Mounting Bases

Thread clamping screw clamps into the holes to hold workpieces

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Fixture Clamps

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

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Fixture Kits

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

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Fixture Tables

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

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T-Slot Clamp Supports

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

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Support Blocks

Support setup clamps for quick height adjustments

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Fixture Squares

Build different fixtures on multiple sides of the same block

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Building and Machinery Hardware

Draw Latches

Pull toolbox and other container lids closed and secure them

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Cam Handles

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

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Adjustable Handles

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

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T-Slotted Framing and Fittings

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

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Measuring and Inspecting

Coordinate Measuring Machine Fixture Clamps

Keep workpieces in place for hands-free measuring and inspecting

28 products