Slip gauges are classified into various types according to their use as follows: (a) Grade 2, (b) Grade 1, (c) Grade 0, (d) Grade 00, and (e) Calibration grade.
- Grade 2: It is a workshop grade slip gauges used for setting tools, cutters, and checking dimensions roughly.
- Grade 1: The grade 1 is used for precise work in tool rooms.
- Grade 0: It is used as inspection grade of slip gauges mainly by inspection department.
- Grade 00: Grade 00 mainly used in high precision works in the form of error detection in instruments.
- Calibration grade: The actual size of the slip gauge is calibrated on a chart supplied by the manufactures.
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