ASTM Stud - Bolts & Nuts
We manufacture Stud-Bolts and Nuts from Carbon Steel, Alloy Steel, Austentic & Ferratic Stainless Steel & Monel, according to ASTM specification in different grade as well as per IS, ISO 4.6, 6.6, 8.8, 10.9, DIN and BS specification.
| Service Conditions | Stud-Bolts | Nuts |
| High Pressure
High Temperature |
ASTM A193 Grade: B5 B6 B7 B7M B16 ASTM A453 Grade: 660 651 |
ASTM A194 Grade: 3 6 2H 2HM 4 or 7 8C 8C |
| High Temperature High Corrosive |
ASTM A193 Grade: B8 B8L B8M 8ML B8T |
ASTM A194 Grade: 8 8L 8M 8ML 8T |
| High Pressure Low Temperature |
ASTM A320 Grade: L7 L43 |
ASTM A194 Grade: 4 or 7 7 |
| Low Temperature | ASTM A320 Grade: B8 B8C B8M B8T |
ASTM A194 Grade: 8 8C 8M 8T |
Size & Length
| Nominal size or Diameter of Stud-Bolt |
5/16" (M8) upto 4" 8mm to 100mm |
| Length | As per customer requirement |
Threads (Roll Threaded on hydraulic roll threading machine)
| Nominal size or Diameter of Stud-Bolt | 5/16" (M8) upto 1" (M27) | Over 1" (M27) |
| Inch series | Unified Coarse Thread Series, Class 2A and 2B ANSI B1.1 1960 | Unified 8 Thread (3 pitch / 8 UN) series, Class 2A and 2B ANSI B1.1 1960 |
| ISO Series | Conforms to R68 | Conforms to R68 |