
21-893-3 SPI Hole Mike .425" - .500" w/ Cert
SPI Hole Mike 3-Point Internal Micrometer
Specifications Include...
- 0.425" - 0.500" Measuring Range
- 0.0001" Readings
- 2.00" Measuring Depth
- Setting Ring
- Includes Certificate of Calibration
- Includes Case
Features include...
- Three point internal micrometer for precise, direct measurement of bore diameters.
- Self aligning and self centering
- Carbide measuring anvils
- Suitable to measure to within .050" of bottom of blind hole, up to 4" capacity
- Feelers taper toward the back for positive reading of the front edge
- Ratchet stop provides uniform measuring pressure