Machine Stops | McMaster-Carr

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Mount Type

Unthreaded Through Hole

System of Measurement

Length

Material

Thread Size

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Shape

Drill Bit Size

Clamping Action

Export Control Classification Number (ECCN)

EAR99

Component

Adjustable-Height Sleeve

Angle Bracket

Any-Angle Cone Support

Stud Diameter

DFARS Specialty Metals

Exempt

Not Compliant

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Compliant

Compliant with Exemptions

REACH

Overall Length

Head Diameter

For Drill Bit Size Decimal Equivalent

Clamp Type

Face Shape

Square with Chamfered Bottom

Square with Tang

Fastener Head Type

Domed

Flat

For Drill Bit System of Measurement

Height

Stud Length

645 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

Locating Rails

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

8 products

Work Supports

Reduce vibration and deformation by adjusting to secure your workpiece

16 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

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

59 products

Spring Locating Pin Installation Tools

Hold spring locating pins in place for installation

6 products

Fixture Tables

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

57 products

Fixture Kits

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

1 product

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

3 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