Machine Stops | McMaster-Carr

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Unthreaded Through Hole

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Adjustable-Height Sleeve

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Any-Angle Cone Support

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DFARS Specialty Metals

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Compliant with Exemptions

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For Drill Bit Size Decimal Equivalent

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For Drill Bit System of Measurement

Face Shape

Square with Chamfered Bottom

Fastener Head Type

633 Products

Fabricating and Machining

Vise Stops

Prevent horizontal movement within machine vises to keep workpieces in place

5 products

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

3 products

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

168 products

Work Supports

Reduce vibration and deformation by adjusting to secure your workpiece

16 products

Locating Rails

Locate the side of a workpiece in your fixture without milling a permanent slot

8 products

Spring Stops

Push back against workpieces to hold them in place against stops and rails

34 products

Index Plungers

Align parts that have mating bushings for more precision than standard spring plungers

6 products

Fixture Tables

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

46 products

Locating and Support Pads

Position larger workpieces and fixtures than locating and support buttons; also known as rest pads

6 products

Spring Locating Pins

Apply side force to workpieces to clamp them in place

53 products

Spring Locating Pin Installation Tools

Hold spring locating pins in place for installation

6 products

Milling Machine Depth Stops

Avoid cutting too deep by attaching to your machine’s quill

1 product

Drill Stops

Limit how far bits can drill to create identical hole depths every time

145 products

Lathe Collet Stops

Prevent parts from pushing back into the collet while machining

2 products

Lathe Spindle Stops

Load material in the same spot every time for consistent machining from piece to piece

3 products

Measuring and Inspecting

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

126 products