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Extra-low head socket cap screw

Extra-low head socket cap screw

Diagram: Bolts Extra-low head socket cap screw
Nominal diameter
Threaded portionkdkSTapping drill diameterClearance hole diameterCounterbore diameterCounterbore depth
PitchMajor diameterPitch diameterMinor diameterSteelStainless steelClass 1Class 2Class 3SteelStainless steelSteelStainless steel

Notes

  • References
    • JIS B 0205(1999)
    • ミスミ カタログより
    • The tapping drill diameter is calculated as
      d′=d−Pd'=d-P

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