SPI 3-Point Hole-Mike Inside Micrometers & Sets

Brand:   SPI Swiss Precision Instruments
ID:
355671
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SPI 3-Point Hole-Mike Inside Micrometers & Sets

Mechanical Inside Hole Micrometers


Features:

  • 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 and assures highest reading accuracy
  • In lieu of Setting Rings, Setting Frames are provided for diameter ranges above 7" dia.
  • All sets come with Extension, Setting Rings And Spanners In Wooden Case


Click to see Master Setting Ring Gages


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SPI 3-Point Hole-Mike Inside Micrometers & Sets

SPI 3-Point Hole-Mike Inside Micrometers & Sets

SPI 3-Point Hole-Mike Inside Micrometers & Sets