236 Depth Gage, 6", 32nds & 64ths 51074

The Combination Steel Rule Depth/Angle Gage is a versatile gage that can be used for calipering, a depth gage by reversing the rule, a protractor, and a hook rule when removed from the tool. It is a simple, handy tool that is a welcome addition to any machinist's toolbox.

Open Starrett-3D Parts Catalog

Contact Starrett


  • Head is graduated both left and right to 30, 45 and 60 degrees
  • Rule can be set to 30, 45, and 60 degrees
  • Head is made of hardened steel, ground, and nicely polished 2-5/8" (66mm) long and 1/8" (3mm) wide
  • One side of base is cut out to permit easier and more accurate readings
  • Center of head is recessed so that the tool will lay flat to permit easier and more accurate measurements
  • Tempered rule that has been accurately machined divided, is smoothly fitted to the head and can be locked in position by a knurled nut


  • Range (in): 0-6"
  • Graduations (in): 32nds, 64ths