21-910-5 SPI Hole Mike Set 2.00" - 4.00" w/ Cert
SPI Hole Mike 3-Point Internal Micrometer Set
Specifications Include...
- 2.00" - 4.00" Measuring Range
- 0.0002" Readings
- 3.54" Measuring Depth
- Includes 3 Setting Rings
- Includes Certificates of Calibration
- Includes 6" Depth Extension
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