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    0-80 UNF NF
Clear Hole = Drill ~ Probable Ø
  • Basic.060
  • +.0041/16 (.0625) ~ .0635
  • +.005#52 (.0635) ~ .0645
  • +.009#51 (.067) ~ .068
Cut Tap % ~ Drill ~ Probable Ø
  • 74%#56 (.0465) ~ .0475
  • 71%3/64 (.0469) ~ .0479
  • 65%1.23mm (.0484) ~ .0494
  • 60%1.25mm (.0492) ~ .0502
Form Tap % ~ Drill ~ Probable Ø
  • 55%#54 (.055) ~ .056
Socket Head Screw Size
  • Basic Head Height.057 - .060
  • Basic Head Diameter.091 - .096
General Data
  • Internal Hex Size.050
  • Stress Area in Sq. In..0018