Teeth
25
B
12
Tolerance (B)
H9
d
101.33
da external diameter
107
L
21.4
l
4.4
N
32
p pitch
1/2"
The bores of plastic wheels are machined with reamers H9. Material-dependent it may occur, that a diminuition in the diameter of the bore from 0.02 to 0.04 mm (temperature, humidity) is possible.