Calibration Plates | McMaster-Carr

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Accuracy Certificate Traceable to NIST

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859 Products

Measuring and Inspecting

Gauge Blocks

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

738 products

Height Gauge Calibrators

Ensure height gauges are accurate

11 products

Color Calibrators

Calibrate your color meter to identify colors with precision

1 product

Hardness Calibration Test Blocks

Confirm testers are accurate for a specific Rockwell or Brinell hardness

8 products

Hardness Testers

Determine the Rockwell, Brinell, or Durometer hardness of any material

6 products

Inspection Parallels

Line up workpieces for precise machining, or support them at a level height for inspecting

8 products

Inspection Setup Blocks

Line up workpieces at precise heights and angles for machining, measuring, and inspecting

2 products

Fabricating and Machining

Setup Blocks

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

31 products