BEARING & TOOL CENTRE
Hole Test or Three Point Micrometer
Holtest (Type II) Series 368-Three-Point Internal Micrometers Series 368Features
The Holtests (type II) have three contact points made of alloyed steel.
Measurement can be taken closer to the bottom of the blind bore.
Can measure deep holes using an Extension Rod (optional).
With Ratchet Stop for constant force.
Setting Rings for zero point adjustment are optional.
Supplied in fitted plastic case up to 100mm / 4. Over 100mm / 4 supplied in wooden case.
Graduation: 0.005mm or .0002"
Measuring method: Three-point method
Contact point: Harden Steel
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