Starrett 78MXTZ Internal Micrometer Metric Series


Starrett No. 78MXTZ 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  (1-300mm).


ISO-17025 Certification

Starrett 78Mxtz Internal Micrometers Features:

  • Wide measurement range without changing anvils
  • 2-Point Contact 2mm-6mm range/ 3- Point Contact above 12.5mm
  • Tungsten carbide measuring faces on all 3-point heads above 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
  • (1-6mm) range

Available Options

measuring-range Product Number
8-10mm 78MXTZ-10
10-12.5mm 78MXTZ-12.5
12.5-16mm 78MXTZ-16
80-100mm 78MXTZ-100
100-125mm 78MXTZ-125
125-150mm 78MXTZ-150
150-175mm 78MXTZ-175
2-3mm (Set) S78MXTAZ
3-6mm (Set) S78MXTBZ
6-10mm (Set) S78MXTCZ
10-20mm (Set) S78MXTDZ
20-50mm (Set) S78MXTEZ
50-100mm (Set) S78MXTFZ

Resolution  0.0025mm on the 2-point contact tools ranging up to 6mm
0.005mm on the 3-point contact tools ranging from 6mm – 300mm

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

Starrett 78XMT Bore Gage sets

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

Starrett Bore Gages 78MXTZ

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