640RJZ Dial Depth Gage 52709

The Starrett 640RJZ Dial Depth Gage is the same as the 640JZ except they have reverse movement (no push button) and can easily be used with one hand. Simply set on zero and apply the contact to the work and read the measurement. 0-1/2” Range, .0005” Grad, 0-50 Dial, in Case.

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  • Direct reading tools, referencing from their hardened and ground bases
  • All bases are 2-1/2" long
  • Quicker and more convenient to use than any other type of depth gage within their ranges and accuracy
  • Electronic indicators can be furnished by special order
  • 0-1/2" Range
  • .0005" Graduation
  • 0-50 Dial Reading
  • Case is included


  • Range (in): 0-1/2"
  • Graduations (in): .0005"
  • Dial Reading: 0-50

California Proposition 65 Warning

    WARNING: This product contains lead a chemical known to the State of California to cause birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov