1.
Feeler gauge
• These gauges are used to check clearance
between mating parts

2.
Radius gauge
• These gauges are used to check radius of curvature.
• This gauges are made in sets of thin plates curved to different radius at
the end.
• Each set of gauge consists of 16 convex and concave blades

3.
Screw/Thread pitch gauges
• These gauges are used to check the pitch of
the screw threads. They consists of flat
blades which are cut out of a given pitch.
• Each blade is engraved with the pitch or
number of threads per inch.

4.
Snap wire gauge
Snap gauge

5.
Slip gauge

6.
Taper plug gauge
Taper Ring gauge

7.
Splined plug gauge
Splined Ring gauge

8.
Dial bore gauge

9.
UNILATERAL AND BILATERAL TOLERANCE
SYSTEMS