Gauge Blocks | McMaster-Carr

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747 Products

Measuring and Inspecting

Gauge Blocks

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

Bore Gauge Calibrators

Bore Gauge Calibrators

Set and check the accuracy of two-point bore gauges

Calibration Squares

Calibration Squares

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

Fabricating and Machining

Setup Blocks

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)