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Hexagon domed cap nut

Cap nut

Diagram: Nuts Hexagon domed cap nut
Nominal diameterPitchmhbdwSe
CoarseFineForm 1Form 2Form 3Form 1Form 2Form 3

Small domed cap nut

Diagram: Nuts Hexagon domed cap nut
Nominal diameterPitchmhbdwSe
CoarseFineForm 1Form 2Form 3Form 1Form 2Form 3

Notes

  • References
    • JIS B 1183
  • Difference between the forms
    • Form 1: hexagon and cap in one piece, with no thread relief groove
    • Form 2: hexagon and cap in one piece, with a thread relief groove
    • Form 3: the hexagon and the cap are welded together
Nuts — Hexagon domed cap nut — Nut Dimensions | Updraft - Mechanical Engineering Calculators