Turning Torque:

 

The maximum turning torque our knobs can withstand without
slipping, assuming the knob has been adequately tightened
on the shaft, is as follows:

 

Knob Type

Shafts
2mm ,3mm
4mm & 1/8 in.
& 3/16 in.

Shafts
6mm, 1/4 in.

In/lbs

Ft/lbs

In/lbs

Ft/lbs

S10, S11, SP11,
K11, S13

2.17

0.18



S15, SD15, SP15,
SB15, SW15


3.47

0.29

6.94

0.58

K15, W15, K21,
K29, S21, S29, S38, SP21, SP29, SB21, SB29, SC38, SW29, W21, W29

5.21

0.43

10.42

0.86

S47, SC47, SCF47