Micrometer checker for quick calibration of 0-25mm micrometers. These sets are available in metric & inch sizes. They are designed specially to suit calibration and inspection of micrometers.

The sizes in the set are so selected that they ensure checking of micrometers at various radial positions. Thus in addition to the pitch error, errors due to drunken threads also can be located. This set is also recommended by is-2967 of 1964 for inspection of external micrometers. Micrometer Checking Set comprises of the following sizes in grades ‘0, ‘ I ‘ and ‘ II’.
Metric 10-piece Set
2.5, 5.1, 7.7, 10.3, 12.9, 15.0, 17.6, 20.2,22.8 & 25.0 mm
Metric 8-pieces set
3.1, 6.5, 9.7, 12.5, 15.8, 19.0, 21.9 & 25.0 mm
Imperial 8 pieces set
0.130″, 0.250″, 0.385″, 0.50″, 0.615″, 0.750″, 0.870″ & 1″.

Technical Specifications

Range	Height Measurement	External Measurement	Internal Measurement
0-300	370	300	300
0-600	670	600	600
0-1000	1070	1000	1000