Manufactured under carefully controlled conditions allowing for the highest degree of accuracy when used at a temperature of 68 degrees F (20 degree C).
All gauge block sets are assigned serial numbers and are accompanied with a certificate of inspection listing the deviation for each block.
Each gauge block set meets or exceeds federal specification GGG-G-15C.
All gauge block sets are made to special standards to resist corrosion and defacement.
Each gage block set meets or exceeds federal specification GGG-G-15C (P900-S581).
Each gage block set meets or exceeds federal specification ASME B89.1.9-2002.(P900-S582, P900-S583).
The coefficient of thermal expansion is 6.4 X 10.
Each model has 81 pieces steel gage blocks.
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