Bom India Forge and Fittings is a premier supplier and stockist of high-performance industrial fasteners designed to meet the most demanding engineering requirements. Our fasteners are engineered to provide exceptional mechanical strength and long-term durability, ensuring the structural integrity of critical assemblies in harsh environments. We offer a comprehensive range of heavy-duty bolting solutions, including studs, bolts, and specialized nuts, tailored for high-pressure and high-temperature applications across the oil & gas, chemical processing, and infrastructure sectors.
| Specification | Details |
|---|---|
| Fastener Types | Stud Bolts, Hex Head Bolts, Anchor Bolts, U-Bolts, J-Bolts, Eye Bolts, Machine Screws, Hex Nuts, Heavy Hex Nuts, Lock Nuts, Flat Washers, Spring Washers |
| Size Range | M3 to M100 (Metric) | 1/8" to 4" (Imperial) — Custom lengths and larger diameters available |
| Thread Types | Metric (Coarse & Fine), UNC, UNF, BSW, BSF |
| Property Classes / Grades | 4.8, 8.8, 10.9, 12.9 (Metric) | Grade 2, 5, 8 (Imperial) | ASTM A193 B7, B8, B8M | ASTM A194 2H, 7, 8, 8M |
| Manufacturing Standards | ASME B18.2.1, B18.2.2, DIN 931, DIN 933, DIN 934, DIN 975, ISO 4014, ISO 4017, IS 1363, IS 1367 |
| Surface Finishes | Plain, Zinc Plated (Galvanized), Hot Dip Galvanized (HDG), Cadmium Plated, PTFE / Xylan Coating, Black Phosphate, Passivated |
| Material Options | Stainless Steel (304, 316, 321), Carbon Steel, Alloy Steel, Duplex, Super Duplex, Monel, Inconel, Titanium |
| Testing & Certification | NABL Lab Approved, Proof Load Testing, Hardness Testing, MTC as per EN 10204 3.1 |
We supply Fasteners across a wide spectrum of premium alloys to ensure high tensile strength and superior corrosion resistance in critical industrial assemblies.
| Material | Grades | Standard (ASTM / ASME) |
|---|---|---|
| Stainless Steel | 304/304L, 316/316L, 310, 317L, 321, 347, 904L, B8, B8M, B8T | A193, A194, F593, F594 |
| Carbon Steel | Grade 4.8, 8.8, 10.9, 12.9, A307 (Grades A & B), A325 | A307, A325, A563 |
| Alloy Steel | B7, B7M, L7, L7M, B16, Grade 2H, 2HM, 7, 7M | A193, A194, A320 |
| Duplex & Super Duplex | UNS S31803 (F51), S32205 (F60), S32750 (F53), S32760 (F55) | A182, A479 |
| Inconel / Incoloy | Inconel 600, 625, 718, Incoloy 800, 825 | B166, B637, B564 |
| Monel & Hastelloy | Monel 400, K500, Hastelloy C276, C22, B2 | B164, B865, B574 |
| Titanium & Exotic | Titanium Grade 2, Grade 5, Grade 7, Cupro-Nickel | B348, F467, F468 |
Stud bolts are headless fasteners threaded along their entire length or at both ends. They are primarily used in high-pressure flange connections, providing uniform tension and superior strength compared to standard bolts.
Featuring a six-sided head, these are the industry standard for general construction and machinery. They are designed to be tightened with a wrench or socket, offering high torque and reliable fastening for heavy-duty applications.
Slightly larger and thicker than standard hex nuts, heavy hex nuts are used with large-diameter and high-strength bolts. They provide a greater bearing surface and thread engagement for critical structural connections.
Specifically designed for supporting piping systems, U-bolts act as a clamp to secure pipes to structural supports. The curved shape fits snugly around the pipe, while the threaded ends allow for secure fastening with nuts.
Used to connect structural and non-structural elements to concrete. These are heavy-duty fasteners often used in the installation of industrial machinery, steel columns, and heavy equipment foundations.
Our fasteners are cold-forged and heat-treated to ensure maximum grain flow, providing superior resistance to vibration and cyclic stress.
Available with specialized coatings like PTFE, Hot Dip Galvanizing, and Zinc plating to withstand aggressive chemical and marine environments.
Manufactured with strict tolerances (6g/6H) to ensure perfect fitment, preventing thread galling and ensuring easy installation on-site.
Every batch is supplied with comprehensive Mill Test Reports (MTR) covering chemical analysis, hardness, and proof load testing results.
Contact Bom India Forge and Fittings for competitive pricing, technical data sheets, and immediate stock availability.