830D Small Hole Gage 53079

830 Small Hole Gages and Sets
Small Hole Gage .300-.400"/7.6-10.2m Range, 2"/50mm Length

The Starrett 830 Small Hole Gage is exactly the same as the 831 Series except that all gages are only 2" (50mm) long, making them convenient to use in close quarters. .300-.400" (7.6-10.2mm) Range, 2" (50mm) Length.

3D CAD Files / Exploded Parts Diagram
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  • Ideal for accurately measuring small holes, slots, grooves, and recesses
  • Precision Ground Radius on each gage provides two-point contact for maximum accuracy
  • Used for general work
  • Convenient to use in close quarters
  • Permits use in shallow holes, slots, and recesses
  • Well balanced
  • More accurate measurements
  • Hardened-ball measuring surface with two-point contact
  • Half-ball with a flat bottom
  • Gages are only 2" (50mm) long
  • Smooth, sensitive adjustment
  • Adjustment of the gage beyond their range is restricted by a safety stop that prevents breakage


  • Made in America: Yes
  • Range (in): .300-.400"
  • Range (mm): 7.6-10.2mm
  • Length (in): 2"
  • Length (mm): 50mm

3D CAD Files / Exploded Parts Diagram

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Product Testimonials

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      Member of Kit
      Item #DescriptionPart No.QtyInformation
      10BALL END, SHORT TYPE08113-01
      20ROD, ADJUSTING08125-01
      30RING, RETAINING, .116X.166X.02518292-01
      40NUT,#1-64 ADJ ROD18295-01

    California Proposition 65 Warning

      WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov