This is the FOWLERS 52-225-010 Premium Depth Micrometer: 0-3″. The micrometer set is stored and protected in its original wooden case. The case is in very good condition. The micrometer set is in very good condition, showing very minimal signs of use.
The Fowler 52-225-010-1 premium depth micrometer has the following specifications:
- Range: 0-3″
- Graduations: .001″
- Base Length: 4″
- Number of Rods Included: 2
Use Fowler Depth Micrometers for measuring the depth of small holes, small fabricated articles with grooved or elevated surfaces or different depths or heights. Particular attention has been paid in obtaining the accuracy of the contact surface of the rod and its straightness.
Features:
- Clear micro-fine graduations on satin chrome finish.
- Base of tool steel hardened, precision ground and micro-lapped. All other surfaces satin chrome finished.
- Depth gages are available in two different base lengths.
- Quick and easy zero adjustment.
- Rods hardened, ground and lapped on measuring surfaces and adjustable in either direction.
- Measuring range per rod is 1″ and .176″ in diameter.
- Interchangeable rods are fitted to the micrometer spindle against a positive stop and locked.
- Ratchet thimble for consistent repeated accuracy.
- Threads hardened, ground and lapped for accuracy.
- Meets or exceeds Federal accuracy specifications.
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