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  • Made in USA
  • Rockwell B Scale, Steel, Hardness Calibration Test Block
  • B90 Hardness, High Hardness Range Description
Unit of Measure

Technical Specs

Size

 N/A Large

Scale Type

 N/A Rockwell C

Hardness Range Description

 N/A High

Hardness

 N/A B90

Type

 N/A Test Block

Material

 N/A Steel

Features

Features

 N/A
  • Used to determine the accuracy of hardness testers
  • Large test blocks: Manufactured and certified to ASTM standards; supplied with a certificate of accuracy
  • Standard test blocks: 2" Dia. X 0.3125" thick
  • Large test blocks: 2.375" Dia. X 0.370" thick
  • Each block is supplied in a fitted case