21-900-6 SPI Hole Mike Set .500" - .800" w/ Cert

21-900-6 SPI Hole Mike Set .500" - .800" w/ Cert

  • $ 639.75
  • Save $ 155.95


SPI Hole Mike 3-Point Internal Micrometer Set

Specifications Include...

  • 0.500" - 0.800" Measuring Range
  • 0.0002" Readings
  • 2.36" Measuring Depth
  • Includes Setting Rings
  • Includes Certificate 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