260MZ Groove Micrometer 67988

The Starrett 260 & 260M Groove Micrometer quickly and easily measures widths of internal or external grooves and lands. 0.01mm Grad, Groove/Land Widths, Case.

Open Starrett-3D Parts Catalog

Contact Starrett


  • Advanced sleeve design with staggered lines and distinct figures for precise and easy readability
  • Quick-reading figures - every thousandth numbered on inch tools
  • Balanced design to ensure easy handling and better readability
  • Quick and easy adjustment
  • Starrett satin chrome finish - no glare - resists rust
  • Each measuring disc is 9/32" (7mm) diameter and .025" (0.63mm) thick
  • Will measure groove widths .050-1.050" (1.27-26.6mm)
  • Will measure land widths from 0-1" and 0-25mm
  • Extremely hard and stable one-piece spindle
  • Hardened, ground, and lapped measuring discs


  • Micrometer Type: Groove Micrometer
  • Range (mm): Range Groove Widths - 1.27-26.27mm / Range Land Widths - 0-25mm
  • Graduations (mm): 0.01mm
  • Anvil/Spindle Material: Steel
  • Anvil Type: Disk
  • Spindle Type: Disk
  • Thimble Type: Speeder
  • Case Type: Plastic case