Repsol Steel LLP is a leading industrial fasteners supplier in India, exporting high-integrity fasteners to buyers across the USA, Europe, Africa, Mexico, and Oman. From our manufacturing base in Mumbai, India, we supply bolts, nuts, studs, washers, and custom fasteners in stainless steel, carbon steel, alloy steel, and exotic alloys — engineered for reliable bolting performance in flanged joints across Oil & Gas, petrochemical, refinery, power generation, and chemical processing applications.
With over 25 years of combined industry experience and a proven export network, we serve EPC contractors, procurement teams, maintenance engineers, and fabrication units worldwide. Every fastener we supply from India complies with ASTM A193, ASTM A194, ASTM A320, ASME B18.2.1, and ASME B18.2.2 standards, with full material traceability, dimensional accuracy, and documentation that meets the requirements of projects in the USA, Europe, Africa, Mexico, and Oman.
Whether you require standard SS316 bolts for a petrochemical plant in Europe, B7 studs with 2H nuts for a refinery in the USA, or custom alloy steel fasteners for a wellhead application in Africa or Oman — Repsol Steel LLP, as an industrial fasteners supplier in India, delivers the right fastening solution, on time, with complete export documentation.
A complete industrial fasteners portfolio from India covering hex bolts, stud bolts, nuts, washers, and custom fasteners — supplied for high-pressure and high-temperature flanged joints across global markets.
Standard hex head bolts supplied from India for flanged joints, structural connections, and general industrial fastening. Available in stainless steel, carbon steel, and alloy steel.
Compliance: ASME B18.2.1, ASTM A193
Materials: SS304, SS316, B7, B7M, B16
Size Range: ½" to 4"
Hex nuts supplied from India to pair with bolts and studs for flanged joints. Available in stainless steel, carbon steel, and alloy steel in various grades.
Compliance: ASME B18.2.2, ASTM A194
Grades: 2H, 2HM, 4, 7, 8, 8M
Size Range: ½" to 4"
Double-end stud bolts supplied from India for flanged joints with through-holes. The standard choice for pipeline flanges, valve bonnets, and high-pressure flanged connections.
Compliance: ASME B18.31.2, ASTM A193
Materials: B7, B7M, B16, SS304, SS316
Size Range: ½" to 4"
Flat washers and hardened washers supplied from India for load distribution and surface protection in bolted joints. Available in stainless steel and carbon steel.
Compliance: ASME B18.22.1, ASTM F436
Types: Flat, Hardened, Spherical
Materials: SS304, SS316, Carbon Steel
High-strength alloy steel fasteners supplied from India for high-pressure and high-temperature flanged joints in Oil & Gas, refinery, and power generation applications.
Compliance: ASTM A193, ASTM A194, ASTM A320
Grades: B7, B7M, B16, L7, 2H, 4, 7, 8
Applications: High-pressure, high-temperature, low-temperature
Non-standard sizes, materials, and fastener configurations supplied from India to your drawings and project specifications — including specialty head types and coatings.
Options: Custom sizes, exotic alloys, coatings
Supply: Based on drawings or equipment specifications
Industrial fasteners are supplied from India in different materials and grades to suit specific pressure, temperature, and media conditions. The material grade determines the mechanical strength, corrosion resistance, and temperature capability of the fastener. We supply industrial fasteners from India in the following materials and grades:
All industrial fasteners we supply from India are accompanied by Material Test Certificates (MTC) confirming the exact grade, mechanical properties, and heat number — ensuring full traceability and compliance with international project specifications. NACE compliance and H2S service documentation are available for sour service applications.
| Parameter | Specification |
|---|---|
| Fastener Types | Hex Bolts, Hex Nuts, Stud Bolts, Washers, Custom Fasteners |
| Materials | Stainless Steel (SS304, SS316, SS321), Carbon Steel, Alloy Steel (B7, B7M, B16), Exotic Alloys (Monel, Inconel, Hastelloy, Duplex) |
| Bolt Grades | ASTM A193 B7, B7M, B16; ASTM A320 L7, L7M; A307, A325; SS304, SS316, SS321 |
| Nut Grades | ASTM A194 2H, 2HM, 4, 7, 8, 8M; SS304, SS316, SS321 |
| Size Range | ½" to 4" standard; larger sizes available on request |
| Length Range | Custom lengths available per project specifications |
| Thread Types | UNC, UNF, BSW, Metric (M) — per ASME B1.1 |
| Coatings | Plain, Zinc Plated, Hot-Dip Galvanized, Xylan, PTFE, Cadmium |
| Standards Compliance | ASTM A193, ASTM A194, ASTM A320, ASME B18.2.1, ASME B18.2.2, ASME B18.31.2 |
| Export Documentation | Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, MTC (EN 10204 3.1) |
| Inspection Options | Third-party inspection (SGS, BV, TUV, Intertek) available on request |
| Additional Documentation | Hardness test reports, NACE compliance, H2S service documentation available on request |
Correct industrial fastener selection is critical to ensuring a leak-free flanged joint and long-term operational safety. The bolt grade, nut grade, material, and coating must be matched to the operating pressure, temperature, and media. Our technical team recommends evaluating four key factors before finalizing an industrial fastener:
If you are unsure which industrial fastener specification best suits your application, our technical team is available to review your flange drawings, process data, and project specifications — and recommend the most suitable fastening solution.
We specialize in industrial fastener supply from India — offering hex bolts, stud bolts, nuts, washers, and custom fasteners in stainless steel, carbon steel, alloy steel, and exotic alloys. All fasteners are manufactured to ASTM and ASME standards.
We supply industrial fasteners from India in all major grades — ASTM A193 B7, B7M, B16, ASTM A194 2H, 2HM, 4, 7, 8, 8M, ASTM A320 L7, L7M, and SS304/316/321 — from ½" to 4" as standard, with larger sizes on request.
Every industrial fastener batch we supply from India is backed by Material Test Certificates (MTC) and mechanical test reports, and can be supplied with NACE compliance, dimensional inspection reports, and third-party certification on request.
Non-standard sizes, materials, coatings, and fastener configurations are manufactured in India according to flange drawings, equipment specifications, and project requirements — with quick turnaround times.
We supply industrial fasteners from India to clients in the USA, Europe, Africa, Mexico, and Oman — with packaging, documentation, and compliance structured for international procurement.
Our experienced technical team assists with industrial fastener selection, bolt and nut grade matching, and installation guidance. Post-supply support includes documentation follow-up and replacement coordination.
Repsol Steel LLP supplies industrial fasteners from India to a wide range of process industries across USA, Europe, Africa, Mexico, and Oman — where reliable bolting performance is essential for safety and operational reliability.
Industrial fasteners supplied from India for wellhead equipment, Christmas trees, pipeline flanges, and high-pressure process piping in upstream, midstream, and downstream operations.
Bolting solutions supplied from India for reactors, heat exchangers, process piping, and storage systems handling hydrocarbons at high pressures and temperatures.
High-temperature alloy steel fasteners supplied from India for high-pressure and high-temperature flanged joints in crude distillation, catalytic cracking, and hydroprocessing units.
High-temperature fasteners supplied from India for boilers, steam systems, turbine connections, and high-pressure auxiliary piping in thermal and nuclear power plants.
SS316 and exotic alloy fasteners supplied from India for aggressive chemical and corrosive media applications in reactors, storage tanks, and process equipment.
Exotic alloy fasteners supplied from India for subsea wellhead equipment, manifolds, and flowlines per API 17D — with Monel and Inconel for seawater and high-pressure service.
Repsol Steel LLP is recognized as a reliable industrial fasteners supplier in India for international procurement teams, EPC contractors, and maintenance projects. Our export documentation, packaging, and standard compliance are structured for smooth cross-border supply from India to buyers in the USA, Europe, Africa, Mexico, and Oman — ensuring your industrial fasteners arrive on time, in specification, and ready for installation.
USA: Industrial fastener supply for Oil & Gas, petrochemical & power projects
Europe: Fasteners for chemical, refinery & process industries
Africa: Fasteners for refinery, petrochemical & subsea projects
Mexico: Fastener supply for chemical plants & refinery operations
Oman: Fasteners for Oil & Gas, petrochemical & power projects
All industrial fasteners are supplied from India with material certificates, mechanical test reports, and third-party certification as required by project specifications.
Repsol Steel LLP combines 25+ years of industry experience, a strong manufacturing base in Mumbai, India, compliance with ASTM and ASME standards, and a proven export track record to the USA, Europe, Africa, Mexico, and Oman.
We supply hex bolts, hex nuts, stud bolts, washers, and custom fasteners from India in stainless steel, carbon steel, alloy steel, and exotic alloys — for flanged joints and structural applications across Oil & Gas, petrochemical, refinery, and power generation industries.
We supply fasteners from India in ASTM A193 B7, B7M, B16; ASTM A194 2H, 2HM, 4, 7, 8, 8M; ASTM A320 L7, L7M; ASTM A307; ASTM A325; and SS304, SS316, SS321 grades. Exotic alloys including Monel, Inconel, Hastelloy, and Duplex are also available.
We export industrial fasteners from India primarily to the USA, Europe, Africa, Mexico, and Oman, serving Oil & Gas, petrochemical, refinery, power, subsea, and chemical processing projects in these regions.
Yes. We offer custom sizes, lengths, materials, coatings, and industrial fastener configurations manufactured in India based on drawings, equipment specifications, and project requirements — with quick turnaround times for export orders.
Send us your bolt specifications, grade requirements, or drawings. Our export team will respond within 24 hours with a tailored quotation.
Repsol Steel LLP is a leading manufacturer and stockholder of high-quality piping products, serving the Oil, Gas, Petrochemical, and Nuclear industries with reliable engineering solutions.
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