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Starrett PT05179 67923

Test Block HR30T20

Order #: PT05179

Mfg Part #: 67923

$101.00 USD

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Product Highlights

HR30T20 Test Block - Starrett blocks can be used to test Rockwell scales. They are available in steel, brass and aluminum. 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. Test Block HR30T20 Mil-std 45662A.