Back
   7/16-20 UNF NF
Clear Hole = Drill ~ Probable Ø
  • Basic.4375
  • +.0037/16 (.4375) ~ .4405
  • +.01929/64 (.4531) ~ .4561
  • +.03415/32 (.4688) ~ .4718
  • +.05031/64 (.4844) ~ .4874
Cut Tap % ~ Drill ~ Probable Ø
  • 75%W (.386) ~ .389
  • 68%25/64 (.3906) ~ .3936
  • 63%10.00mm (.3937) ~ .3967
Form Tap % ~ Drill ~ Probable Ø
  • 65%10.50mm (.4134) ~ .4164
Socket Head Screw Size
  • Basic Head Height.430 - .438
  • Basic Head Diameter.642 - .656
General Data
  • Internal Hex Size3/8
  • Stress Area in Sq. In..1187