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   6-40 UNF NF
Clear Hole = Drill ~ Probable Ø
  • Basic.138
  • +.004#28 (.1405) ~ .142
  • +.0075#27 (.144) ~ .1455
  • +.0105#26 (.147) ~ .1485
Cut Tap % ~ Drill ~ Probable Ø
  • 73%#33 (.113) ~ .1145
  • 69%2.90mm (.1142) ~ .1157
  • 64%#32 (.1142) ~ .1157
Form Tap % ~ Drill ~ Probable Ø
  • 65%125 (.125) ~ .1265
Socket Head Screw Size
  • Basic Head Height.134 - .138
  • Basic Head Diameter.218 - .226
General Data
  • Internal Hex Size7/64
  • Stress Area in Sq. In..01015