Gauge Blocks | McMaster-Carr

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Accuracy Certificate Traceable to NIST

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758 Products

Measuring and Inspecting

Gauge Blocks

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

738 products

Bore Gauge Calibrators

Set and check the accuracy of two-point bore gauges

1 product

Calibration Squares

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

2 products

Height Gauge Calibrators

Ensure height gauges are accurate

3 products

Fabricating and Machining

Setup Blocks

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

6 products