Updraft

Normal fit

Keyway, normal fit

Diagram: Keyway Normal fit
bxhbrtApplicable shaft diameterThread size
Nominal sizeb1許容差(N9)b2許容差(JS9)t1Nominal sizet2Nominal sizet1, t2Deviation

Notes

  • References
    • JIS B 1301
Keyway — Normal fit — Keyway Dimensions | Updraft - Mechanical Engineering Calculators