Stud Bolts ASTM A193
Inch Series, UNC/UN – Dimensions
Note:
The stud Bolts will generally confirm to ASTM A193 Gr; B7- Thread will confirm to Class 2A unified coarse threads as per ANSI B1.1
- Material: Medium Carbon Chromium Molybdenum Steel, CR-Mo Alloy Steel (Cr-Mo)
- Heat treatment: As per Grade ‘B7’
- All dimensions are in inches
| Nominal Thread Size ‘D’ |
TPI | Length Range ‘L’ |
Nominal Thread Size ’D’ |
TPI | Length Range ‘L’ |
||
| UNC | UN | UNC | UN | ||||
| 1/2” | 13 | – | up to 120” | 2 3/8” | – | 8 | up to 50” |
| 5/8” | 11 | – | up to 120” | 2 1/2” | – | 8 | up to 60” |
| ¾” | 10 | – | up to 120” | 2 5/8” | – | 8 | up to 60” |
| 7/8” | 9 | – | up to 120” | 2 3/4” | – | 8 | up to 60” |
| 1” | 8 | – | up to 120” | 2 7/8” | – | 8 | up to 60” |
| 1 1/2” | – | 8 | up to 120” | 3” | – | 8 | up to 48” |
| 1 ¼” | – | 8 | up to 120” | 3 1/8” | – | 8 | up to 48” |
| 1 3/8” | – | 8 | up to 120” | 3 1/4” | – | 8 | up to 48” |
| 1 ½” | – | 8 | up to 120” | 3 3/8” | – | 8 | up to 48” |
| 1 5/8” | – | 8 | up to 120” | 3 1/2” | – | 8 | up to 48” |
| 1 ¾” | – | 8 | up to 120” | 3 5/8” | – | 8 | up to 48” |
| 1 3/8” | – | 8 | up to 120” | 3 3/4” | – | 8 | up to 48” |
| 2” | – | 8 | up to 120” | 3 7/8” | – | 8 | up to 48” |
| 2 1/8” | – | 8 | up to 120” | 4” | – | 8 | up to 48” |
| 2 ¼” | – | 8 | up to 120” | – | – | – | |