Starrett 78XT Internal Micrometer Inch Series


Starrett No. 78XT Series Internal Micrometers feature extended travel, reducing the need to exchange anvils. The ground contact points seat the internal micrometer faster and more accurately than the spherical contacts found in other gages. These rugged and accurate internal micrometers are available individually or in economical
sets from .040-12 (1-300mm).

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Starrett 78xt Internal Micrometers Features:

  • Wide measurement range without changing anvils
  • 2-Point Contact .080-.250 range/ 3- Point Contact above .250"
  • Tungsten carbide measuring faces on all 3-point heads above 1/2 (12.5mm)
  • Ratchet stop ensures consistent measurements
  • Mechanical Bore Gage
  • Self-centering contacts for true readings
  • Blind bore measuring capability above 1/2 (12.5mm) diameter
  • Extensions available up to 6 (150mm) for deep hole measuring
  • Setting rings included
  • Depth stop/collar also available for.080-.250 (1-6mm) range

ISO-17025 Certification

Resolution  .0001 (0.0025mm) on the 2-point contact tools ranging up to 1/4 (6mm)
.0002 (0.005mm)  on the 3-point contact tools ranging from 1/4-12 (6mm – 300mm)

Click below to enlarge Starrett 78XT Bore Gage technical specifications:

Starrett 78XT Bore Gages

Download the Starrett 78XT Bore Gage product information by using the link below :

Starrett Bore Gages 78XTZ

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