Acme Standard Screw Thread Gage -- 284
from Starrett

284 Acme Standard Screw Thread Gage – hardened. 29 º. This gage is a standard for grinding and setting tools when cutting Acme threads. Acme threads have the same depth as square threads but the sides of the threads are at an inclination of 14-1/2 º (29 º included angle). This... [See More]

  • Application: Construction; Machine Shop; Light Duty (Office or Drafting)
  • Reading Method / Display: None -Non-graduated Gage
  • Measuring Technology: Mechanical
  • Measurement Scale / Units: Inches; Metric
52-480-000
from Fred V. Fowler Co., Inc.

Satin chrome finish, for measuring properly ground 59 degree drill tips [See More]

  • Application: Construction; Drafting; Machine Shop; Light Duty (Office or Drafting)
  • Decimal Resolution: 0.0156
  • Fixed Gage Type: Drill Point Angle; Set of gages
  • Measuring Technology: Mechanical