Major diameter, d

10.00 mm

Minor diameter, dr

8.16 mm

Mean diameter, dm = (d + dr)/2

9.08 mm

Pitch diameter, dp = dm

9.08 mm

Pitch, p

1.5 mm

Lead, L = Lm = 2πrm

28.29 mm

Minor diameter area, Ar

52.3 mm2

*Coefficient of friction, f

0.10 - 0.15