Standard Rockwell Test Blocks "NIST Traceable"
- Set of 3 in ranges, 25-30, 35-40, 60-65 .
- Specially made for us to calibrating our Ultrasonic Hardness Testers. Not for Leeb/Rebound type tester calibration. These blocks are NOT the same as standard bench tester calibration blocks that are not suitable as only 3/8" thick. These are per ASTM standard 5/8" thick specaily for a UCI tester.
- Calibrated to ASTM E18, ANSI (NCSL) Z540-1, (ISO) 10012-1, ISO/IEC 17025, ISO 6508
- Lifetime Guarantee
- Highest quality steel
- Rockwell test block surface hand lapped and diamond polished to a mirror finish
- Superior accuracy and ease of testing for the operator
- Special heat treat process insures maximum consistency and repeatability
- Rockwell Test Blocks are certified in a ISO/IEC 17025 accredited laboratory
- In stock for immediate delivery
- Free NIST traceable long form certificate with every Rockwell test block
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