Calibration Blocks | McMaster-Carr

Filter by

System of Measurement

Gauge Size

Shape

Material

Length

Gauge Block Grade

Number of Pieces

Width

Certificate Type

Accuracy Certificate Traceable to NIST

Calibration Certificate Traceable to NIST

Component

Manufacturer

Export Control Classification Number (ECCN)

EAR99

REACH

Compliant

Not Compliant

DFARS Specialty Metals

RoHS

Specifications Met

Manufacturer Model Number

Height

Hardness

Number of Holes

Measures

Hole Style

Hole Diameter

Hole Center-to-Center

Rockwell Hardness Scale

Distance Measured

765 Products

Measuring and Inspecting

Gauge Blocks

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

738 products

Calibration Squares

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

2 products

Bore Gauge Calibrators

Set and check the accuracy of two-point bore gauges

1 product

Hardness Calibration Test Blocks

Confirm testers are accurate for a specific Rockwell or Brinell hardness

13 products

Hardness Testers

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

1 product

Color Calibrators

Calibrate your color meter to identify colors with precision

1 product

Fabricating and Machining

Setup Blocks

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

6 products