Screw-Down Clamps | McMaster-Carr

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Manganese Phosphate Coated

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Compliant with Exemptions

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

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Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Fastener Head Type

Height

Pipe Size

Clamping Action

Thread Length

Head Height

Stud Material

8,198 Products

Fabricating and Machining

Fixture Clamps

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

418 products

Support Blocks

Support setup clamps for quick height adjustments

3 products

Fixture Kits

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

23 products

C-Clamps

Temporarily secure workpieces together or to a work surface

131 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

92 products

Clamping Screw Mounting Bases

Thread clamping screw clamps into the holes to hold workpieces

7 products

Toggle Clamps

Lock workpieces onto worktables or objects

421 products

Swivel Pads

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

58 products

Alignment Locks

Precisely align your mold halves

25 products

Electrical Power, Networking, and Controlling

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

22 products

Cable and Hose Carrier Accessories

Move cable and hose carriers alongside robot arms without obstructing movement

42 products

Material Handling

Steps

Mount where you need them instead of dragging over a step stool every time

3 products

Hitch Clamps

Strengthen the joint between your hitch insert and receiver to prevent rattling and swaying

2 products

Forklift Tie-Down Clamps

Create anchor points on forklift forks to secure loads for transport

1 product

U-Bolts

Anchor heavy pipe, tube, and conduit; stronger than routing clamps and hangers

1,069 products

Fastening and Joining

Thumb Screws

Tighten and loosen by hand without the need for tools

1,551 products

Hold-Down Bolts

Hold material under the bent head while the other end is tightened down with a nut

21 products

Building and Machinery Hardware

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

Knobs

Position, tighten, and secure fixtures and equipment

1,281 products

Pull Handles and Knobs

Open and close cabinets, drawers, and doors on machines and equipment

703 products

Indicating Knobs

Control devices and view settings at a glance

87 products

Ball Knobs

Provide grip on control levers and push-pull rods

269 products

Fluid Handling

Hose Clamps

Connect hose to barbed hose fittings

999 products

Hose Clamp Guards

Cover the ends of hose and tube clamps to prevent them from cutting people and objects

4 products

Measuring and Inspecting

Test Lead Clips

For hands-free testing, create a temporary yet secure electrical connection

48 products

Coordinate Measuring Machine Fixture Clamps

Keep workpieces in place for hands-free measuring and inspecting

6 products