Mitutoyo Holtest C 368-991

Description

The Mitutoyo 368-991 Holtest (Type II) Three-Point Internal Micrometer Set has the following specifications:

Range: 12-20mm
Graduations: .005mm
Accuracy: +/- .002mm
Measuring Contacts: 3-point
Measuring Depth: 82mm
Features:

Ratchet stop provides constant force which results in better repeatability
Contact points are made from hardened alloyed steel
Setting rings for calibration are optional
Optional extensions are available for deeper bore measurement
Bore measurement is close to being blind for sizes up to 100mm
Sizes up to 100mm are supplied in a fitted plastic case
Sizes over 100mm are supplied in a wooden case
The Mitutoyo 368-991 Holtest (Type II) Three Point Internal Micrometer Set includes the following:

Type II Individual Holtest: 12-16mm
Type II Individual Holtest: 16-20mm
16mm Setting Ring
Extension Rod