Thumb Screw Clamps | McMaster-Carr

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Thumb Screw Head Shape

Thumb Screw Head Profile

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2,408 Products

Fastening and Joining

Thumb Screws

Tighten and loosen by hand without the need for tools

1,519 products

Fluid Handling

Hose Clamps

Connect hose to barbed hose fittings

31 products

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

72 products

Flow-Adjustment Valves

Gradually open and close to control the volume of air and liquids through a line

13 products

Fabricating and Machining

Clamping Screws

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

22 products

C-Clamps

Temporarily secure workpieces together or to a work surface

18 products

Pipe Welding Clamps

Position and hold pipe joints for welding and assembly

4 products

Corner Clamps

Align and secure materials at a corner joint

1 product

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

4 products

Ring Stands

Hold lightweight objects such as beakers and other lab equipment

6 products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

550 products

Measuring and Inspecting

Height Gauge Scriber Clamps

Replace the scriber clamp on your Mitutoyo height gauge

5 products

Coordinate Measuring Machine Fixture Clamps

Keep workpieces in place for hands-free measuring and inspecting

6 products