Updraft

Low head socket cap screw

Low head socket cap screw

Diagram: Bolts Low head socket cap screw
Nominal diameter
Threaded portionkdkSTapping drill diameterClearance hole diameterCounterbore diameterCounterbore depth
PitchMajor diameterPitch diameterMinor diameterClass 1Class 2Class 3

Notes

  • References
    • JIS B 0205(1999)
    • The tapping drill diameter is calculated as
      d=dPd'=d-P

      dd': tapping drill diameter, dd: nominal diameter, PP: pitch
    • JIS B 1001(1985)
Bolts — Low head socket cap screw — Bolt Dimensions | Updraft - Mechanical Engineering Calculators