Mitutoyo, 368-764, Mechanical Holtest 3-Point Internal 12-16mm Micrometer
Features:
- The design allows for measurements closer to the bottom of blind bore holes
- The scale on the thimble and sleeve is laser etched for easier reading in all conditions
- Supplied in a fitted plastic case
The Mitutoyo mechanical Holtest internal micrometer features three alloy steel anvils evenly spaced at 120° for true alignment of the axis bore for accurate, easily repeatable measurements. A hardened steel spindle with a carbide ball and cone with a carbide pin ensure accuracy and durability when extending and retracting the anvils. The holtest’s ratchet stop mechanism provides a constant measuring force on the hardened steel spindle to ensure accurate, even measurements.
Technical Details
| Digital/Analog | Analog |
| Inch-Metric | Metric |
| Dimensions | |
|
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| Range | 12 – 16 mm |
| Graduation | 0,005 mm |
| Maximum Permissible Error J Mpe | ±3 µm |
| Scale | Thimble and sleeve satin chrome finish, Dia. 23 mm |
| Measuring Spindle | Spindle pitch 0,5 mm |
| Measuring Face | Titanium-coated tungsten carbide taper: tungsten carbide |
| Measuring Method | 3-point |
| Mass | 150 g |





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