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   4-40 UNC NC
Clear Hole = Drill ~ Probable Ø
  • Basic.112
  • +.0025#33 (.113) ~ .1145
  • +.0055#32 (.116) ~ .1175
  • +.0095#31 (.120) ~ .1215
Cut Tap % ~ Drill ~ Probable Ø
  • 76%#44 (.086) ~ .087
  • 67%43 (.089) ~ .090
  • 60%2.32mm (.0913) ~ .0923
  • 55%#42 (.0935) ~ .0945
Form Tap % ~ Drill ~ Probable Ø
  • 65%#39 (.0995) ~ .101
Socket Head Screw Size
  • Basic Head Height.108 - .112
  • Basic Head Diameter.176 - .182
General Data
  • Internal Hex Size3/32
  • Stress Area in Sq. In..006