Machinists' Blocks | McMaster-Carr

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974 Products

Fabricating and Machining

Setup Blocks

Use as mounting bases and supports to ensure accurate angles and spacing

6 products

Fixturing Squares

Build different fixtures on multiple sides of the same block

18 products

Angle Plates

Ensure accurate right angles and hold workpieces and fixtures perpendicular to your machine table

61 products

V-Blocks

Hold round workpieces

40 products

Pin Removal Blocks

Remove a range of pin sizes from workpieces by tapping them into holes with a punch and hammer

1 product

Step Blocks

Support setup clamps for quick height adjustments

10 products

Fixture Keys

Locate fixtures and vises on your machine table

39 products

Sine Plates

Use with gauge blocks to measure angles on your workpiece or set up a part for precision grinding

4 products

Sine Bars

Measure, mark, and inspect exact angles on dies and other precision parts

2 products

Measuring and Inspecting

Gauge Blocks

Confirm dies, fixtures, and other workpieces meet precise tolerances and calibrate measuring tools

738 products

Surface Plates

Extremely flat to give an accurate reference plane for layout and inspection work

51 products

Calibration Squares

Lay horizontally or vertically on CNC machines to check the position of tools with high precision

2 products