STANDARD BOLT HOW TO DETERMINE BOLT STRENGTH
| Hexagon Head Bolt | Stud Bolt | Weld Bolt | Class | ||
|---|---|---|---|---|---|
| Normal Recess Bolt | Deep Recess Bolt | ||||
 |
 No Mark |
 No Mark |
|
 |
4T |
 |
 |
5T | |||
 |
 w/ Washer |
 w/ Washer |
 |
6T | |
 |
 |
7T | |||
 |
 |
 |
8T | ||
 |
 |
9T | |||
 |
 |
10T | |||
 |
 |
11T | |||