Phase II 900355-3050 Brinell Hardness Rectangular Test Block (Steel), 3000 kg, 350-500 Range, Certified (USA)

Phase II 900355-3050 Brinell Hardness Rectangular Test Block (Steel), 3000 kg, 350-500 Range, Certified (USA)

All of Phase II Made in USA Brinell Hardness Test Blocks come certified to applicable standards. We adhere to a strict procedure for the calibration of these blocks, and the accuracy of the tester is maintained using a proving ring and load cell both traceable to N.I.S.T. The readings themselves are done using a stage micrometer also calibrated and traceable to N.I.S.T.