Other Torque Specifications
SAE Grade 8 Steel Set Screws
Thread Size | Recommended Torque | ||
|
| ||
Square Head | Hex Socket | ||
| |||
|
|
| |
1/4 | 140 + 20 | 73 + 12 | |
|
|
| |
5/16 | 215 + 35 | 145 + 20 | |
|
|
| |
3/8 | 35 + 10 | 18 + 3 | |
|
|
| |
1/2 | 75 + 15 | 50 + 10 | |
|
|
|
Thread Cutting Screws
(Zinc Plated Steel)
Type 1, Type 23 or Type F
Thread Size | Baseline Torque* | |
|
|
|
No. 6 | 20 | + 5 |
|
|
|
No. 8 | 30 | + 5 |
|
|
|
No. 10 | 38 | + 7 |
|
| |
1/4 | 85 + 15 | |
|
|
|
5/16 | 110 | + 20 |
|
| |
3/8 | 200 + 100 | |
|
|
|
Wheel Bolts and Lug Nuts
Thread Size | Recommended Torque** | ||||
|
|
|
|
| |
7/16 | 65 + 10 | 88 + 14 | |||
Grade 5 |
|
|
| ||
|
|
|
|
| |
1/2 | 80 + 10 | 108 + 14 | |||
Grade 5 |
|
|
| ||
|
|
|
|
| |
M12 X 1.25 | 80 + 10 | 108 + 14 | |||
Class 8.8 |
|
|
| ||
|
|
|
|
| |
M12 X 1.5 | 80 + 10 | 108 + 14 | |||
Class 8.8 |
|
|
| ||
|
|
|
|
| |
** For steel wheels and | |||||
| Thread Cutting Screws | ||||
| (Zinc Plated Steel) | ||||
|
|
|
|
| |
Thread | Threads per Inch |
|
| ||
Size |
|
| Baseline Torque* | ||
Type A | Type B | ||||
|
|
| |||
|
|
|
|
| |
No. 6 | 18 | 20 |
| 20 + 5 | |
|
|
|
|
| |
No. 8 | 15 | 18 |
| 30 + 5 | |
|
|
|
|
| |
No. 10 | 12 | 16 |
| 38 + 7 | |
|
|
|
|
| |
No. 12 | 11 | 14 |
| 85 + 15 | |
|
|
|
|
|
*Hole size, material strength, material thickness and fin- ish must be considered when determining specific torque values. All torque values are based on
Conversion Factors
= | cm | ||
= | m |
Product Records and Maintenance | Page 2 | Groundsmaster |