Starrett PT05059 67888

Test Block RB90

Order #: PT05059

Mfg #: 67888

Special Price $144.96 Regular Price $151.00

Availability: Ships in 3-4 weeks

Starrett blocks can be used to test Bench Top Hardness Testers
Each block is serialized, with a certificate detailing the environmental conditions used to test the block
Actual readings are given, with the averages of these readings: min. reading, max reading and a repeatability figure
The blocks are calibrated according to ASTM E-18 standards, ANSI (NCSL) Z540-1, (ISO) 10012-1, ISO/IEC 17025 and Mil-std 45662A
Hardness test blocks are designed to be used on one side only
Indents should be more than .010" from the centers of two indents or no closer to the block's edge than .040"