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Shars Grade 0 Rectangular Gage Block Set with NIST traceable Certificate 81 PCS 303-5307C M)
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Product Details
Part# 303-5307C
Our gage blocks are manufactured under carefully controlled conditions and inspected by the ASME B89.1.9-2002 standard, allowing for an accuracy of +/- 6 millionth for size under 1" block when used at room temperatures of 68 degrees Fahrenheit (or 20 degrees Celsius).
The gage blocks are made of fully seasoned alloy tool steel with hardened to 65 RC to provide resistance to wear, abrasion, and rust.
The measuring surface of the gage block are ground and micro-lapped to a mirror finished so the gage block can be wringable.
Calibration certificate traceable to the N.I.S.T.
Best Review
Customers find the gage block set to be great value, particularly for home machinists, and appreciate its accuracy. The build quality receives mixed feedback - while some find it well made, one customer reports issues with the case breaking into pieces.AI Generated from the text of customer reviews