3-point internal micrometer for precise direct measurement of bore diameters. Self-aligning and self-centering. Carbide measuring anvils. Feelers taper toward the back. Suitable to measure to within 1mm of bottom of blind holes.
Technical Specification
More Information
Brand
SPI
Manufacturer Part Number
M-940-3
Measuring Min (mm)
60
Measuring Max (mm)
70
Features & Benefits
3-point internal micrometer for precise direct measurement of bore diameters
Self-aligning and self-centring
Carbide measuring anvils
Ratchet stop provides uniform measuring pressure and assures highest reading accuracy
Feelers taper toward the back for positive reading on the front edge
Suitable to measure to within 0.050 in/1mm of bottom of blind holes