Alignment Clamps | McMaster-Carr

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983 Products

Fabricating and Machining

Pipe Welding Clamps

Position and hold pipe joints for welding and assembly

14 products

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

1 product

Corner Clamps

Align and secure materials at a corner joint

4 products

Magnetic Clamps

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

24 products

Pliers Clamps

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

4 products

Vise Jaws

Hold material in vises for machining

54 products

Vises

Secure workpieces in place

9 products

Magnetic Workholding Plates

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

66 products

Fixture Clamps

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

395 products

Fixture Tables

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

67 products

V-Blocks

Hold round workpieces

72 products

Support Blocks

Support setup clamps for quick height adjustments

16 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 Squares

Build different fixtures on multiple sides of the same block

38 products

Measuring and Inspecting

Square Holding Clamps

Position squares for repeat checking and marking

1 product

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

35 products

Pipe Flange Aligners

Line up flange holes so they bolt securely and connections won’t leak

21 products

Building and Machinery Hardware

Cam Handles

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

106 products