Operation
The proper tightening torque may differ depending upon the kind or size of the screw, the material of the workpiece to be tightened, etc. The relation between tightening torque and tightening time is shown in the figures below.
Machine screw
Kg .cm
Ift . lbsl
+ | (4) | for M6 (1/4") |
|
| Proper tightening torque |
|
| for M5 (3/16") |
1I
0 | 0 5 | 1 | seconds |
Standard bolt
Kg .cm
( f t . Ibs)
500-
(36) | M10 |
| |
| ( 3 / 8 " ) |
M8
(5/16"1Proper tightenlng torque for M10 (3/8")
Proper tightening torque for M8 (5116")
Proper tightening torque for M6 (1/4")
0 | 1 | 2 | seconds |
1 |
Tightening time
8