Pipe Fittings, Flanges & Sealing
Stud Bolts & Nuts
Full-thread stud bolts with two heavy hex nuts — the standard fastener for pipe flanges. We supply stud bolts & nuts from Navi Mumbai to plants, contractors and projects across India.

Types we supply
- Full-thread stud bolts
- Double-end and tap-end studs
- Hex bolts
- Threaded rod
- Anchor and U-bolts
- Heavy hex nuts and washers
Key facts
| Typical size range | M10 to M64; ½ inch to 2½ inch |
|---|---|
| Pressure / rating | Grades to suit flange class and temperature |
| Materials | A193 B7 / B7M, B8 / B8M, A320 L7, B16; nuts A194 2H, 2HM, 4, 7, 8, 8M; IS 1367 8.8 / 10.9 |
| Standards | ASTM A193, A194, A320, IS 1367, ASME B18.2 |
| Typical applications | Flanged joints on pipelines, valves and pressure equipment |
Ranges are typical for the product type, not a stock list. We confirm the exact size, rating, make and delivery on the quotation.
What to include in your enquiry
- Item and type (for example: 90° long-radius elbow, weld neck flange)
- Size — NB / OD, and for pipe the length required
- Schedule, wall thickness, class or pressure rating
- Material and grade (for example: ASTM A106 Gr B, A105, SS 316)
- Standard (IS, ASME, API, EN)
- End finish or facing (plain, bevelled, threaded; RF, FF, RTJ)
- Quantity, delivery location and required date
- Documents: mill test certificate, IBR, third-party inspection
FAQ
Stud Bolts & Nuts: common questions
Stud Bolts & Nuts are typically available from M10 to M64; ½ inch to 2½ inch, rated Grades to suit flange class and temperature. Exact sizes depend on the type, material and manufacturer; we confirm availability on the quotation.
Depending on type and manufacturer: ASTM A193, A194, A320, IS 1367, ASME B18.2. Tell us the standard your specification calls for and we will quote against it.
We deal in stud bolts & nuts from leading manufacturers, matched to your specification and approved-makes list. Tell us the make you need, or ask us to recommend one for the duty.

