Description
The 53-670-002-0 Fowler Micrometer Calibration Set
11 Pc. 9 rectangular gage blocks and two optical flats.
Assists in meeting both ASME B89.1.9 and ISO 9000requirements.
Contains one block of each of the following sizes: .0625, .100, .125, .200, .250, .300, .500, 1.000 & 2.000"
TWO OPTICAL FLATS that vary in size by .0125" which allows checking anvil faces at half rotations of spindle for measuring flatness.
Supplied with fitted wooden case and certification to N.I.S.T. on each block.
Meets grade Ø specifications.