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   7/16-14 UNC NC
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
  • 72%U (.368) ~ .371
  • 65%3/8 (.375) ~ .378
  • 62%V (.377) ~ .380
Form Tap % ~ Drill ~ Probable Ø
  • 65%10.20mm (.4016) ~ .4046
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..1063