Repsol Steel LLP is a trusted supplier of stainless steel fasteners for industrial applications, supplying a comprehensive range of SS bolting and fastening products to industrial buyers, EPC contractors, and procurement teams across Africa, USA, Mexico, Oman, and Europe. Our stainless steel fastener range includes hex bolts, stud bolts, hex nuts, nylock nuts, flat washers, spring washers, and threaded rods — manufactured in SS304, SS316, SS321, A193 B8, B8M, A194 8, and 8M grades in accordance with ASME B18.2.1, ASME B18.2.2, and ASTM A193 / A194. Every shipment is supplied with full documentation, EN 10204 3.1 certification, and export-grade packaging suited to corrosive industrial environments.
With over 25 years of combined industry experience and a proven export network, we serve clients across Africa, the United States, Mexico, Oman, and Europe — including Oil & Gas, petrochemical, refinery, power generation, chemical processing, desalination, marine, pharmaceutical, and food processing facilities. Our supply operations are structured to meet the documentation, packaging, and compliance requirements of international industrial procurement — including Material Test Certificates (MTC), dimensional inspection reports, NACE MR0175 compliance, ASME B18.2.1 compliance, PMI testing, Certificate of Origin, and third-party certification where required.
Whether you require SS316 stud bolts for a refinery project in Oman, SS304 hex nuts for a petrochemical plant in Mexico, SS321 hex bolts for a high-temperature chemical plant in Europe, SS316L flat washers for a desalination project in Africa, or stainless steel nylock nuts for a marine application in the USA — Repsol Steel LLP supplies the right stainless steel fastener solution, on time, with complete export documentation.
A complete stainless steel fastener supply portfolio covering hex bolts, stud bolts, hex nuts, nylock nuts, flat washers, and spring washers in SS304, SS316, SS321, A193 B8, B8M, A194 8, and 8M grades — engineered for reliable bolting and leak-proof connections in corrosive and high-temperature service.
High-strength stainless steel hex bolts for structural and flanged connections. Available in SS304, SS316, and A193 B8 / B8M grades per ASME B18.2.1.
Grades: SS304, SS316, A193 B8, B8M
Compliance: ASME B18.2.1
Size Range: M6 to M100
Stainless steel stud bolts threaded on both ends for flanged connections. Available in SS304, SS316, A193 B8, B8M, and B16 grades per ASTM A193.
Grades: SS304, SS316, A193 B8, B8M
Compliance: ASTM A193
Size Range: M6 to M48
High-strength stainless steel hex nuts for use with hex bolts and stud bolts. Available in SS304, SS316, A194 8, and 8M grades per ASME B18.2.2.
Grades: SS304, SS316, A194 8, 8M
Compliance: ASME B18.2.2
Size Range: M6 to M100
Stainless steel nylock nuts (nylon insert lock nuts) for vibration-resistant fastening in industrial and structural applications.
Grades: SS304, SS316
Compliance: DIN 985, ISO 10511
Size Range: M3 to M56
Stainless steel flat washers and spring washers for load distribution and vibration resistance under bolt heads and nuts.
Grades: SS304, SS316
Compliance: ASME B18.22.1, DIN 125, DIN 127
Size Range: M3 to M56
Custom-manufactured stainless steel bolts, stud bolts, nuts, and washers in non-standard sizes, materials, thread specifications, and coatings per drawings.
Grades: SS304, SS316, SS321, Duplex
Compliance: ASME B18.2.1, Custom
Size Range: M6 to M100
Stainless steel fasteners for industrial applications are supplied in different grades to suit specific pressure, temperature, and media conditions across Africa, USA, Mexico, Oman, and Europe. We supply stainless steel fasteners in the following materials and grades:
All stainless steel fasteners we supply are accompanied by Material Test Certificates (MTC to EN 10204 3.1/3.2) confirming the exact grade, mechanical properties, and heat number — ensuring full traceability and compliance with international project specifications. PMI testing is available on request.
| Parameter | Specification |
|---|---|
| Product Types | Hex Bolts, Stud Bolts, Hex Nuts, Nylock Nuts, Flat Washers, Spring Washers, Threaded Rods, Custom |
| Materials | SS304/L, SS316/L, SS321/H, SS904L, A193 B8, B8M, A194 8, 8M, Duplex (F51, F53, F55), Exotic Alloys (Monel, Inconel, Hastelloy) |
| Size Range | M3 to M100 standard; larger sizes available on request |
| Service Temperature | SS304: up to 800°C; SS316: up to 800°C; SS321: up to 900°C; Duplex: up to 300°C |
| Standards Compliance | ASME B18.2.1, B18.2.2, B18.22.1, ASTM A193, A194, DIN, ISO, JIS, IS, NACE MR0175 |
| Surface Finishes | Passivated, pickled, polished, PTFE-coated, Xylan-coated, zinc-plated (as required) |
| Export Documentation | Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, MTC (EN 10204 3.1) |
| Inspection Options | PMI testing, hardness testing, third-party inspection (SGS, BV, TUV, Intertek) available on request |
| Additional Documentation | NACE MR0175/ISO 15156 compliance, H2S service documentation available on request |
Stainless steel fasteners are critical for ensuring leak-proof connections, corrosion resistance, and safe operations in refineries, petrochemical, chemical, and power plants across Africa, USA, Mexico, Oman, and Europe. Before finalizing stainless steel fasteners, our technical team recommends evaluating four key factors:
If you are unsure which stainless steel fasteners best suit your application, our technical team is available to review your piping drawings, process data, and project specifications — and recommend the most suitable stainless steel fastener solution.
We have supplied stainless steel fasteners to buyers across Africa, the USA, Mexico, Oman, and Europe — building a supply track record that reflects reliability, compliance, and on-time delivery for corrosive and high-temperature industrial applications.
Every stainless steel fastener shipment is accompanied by complete export documentation — Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, Material Test Certificates (MTC to EN 10204 3.1/3.2), and third-party inspection reports on request.
Our stainless steel fasteners comply with ASME B18.2.1, B18.2.2, B18.22.1, ASTM A193, A194, DIN, ISO, JIS, and IS standards — ensuring that products meet the exact specifications of international refinery, petrochemical, and industrial projects.
Stainless steel fasteners are packed with protective wrapping and moisture-resistant export-grade packaging designed for long-distance sea, air, and road transport to Africa, USA, Mexico, Oman, and Europe.
We support a range of Incoterms — FOB, CIF, CFR, EXW, DAP — and coordinate with trusted freight partners for sea, air, and multimodal shipments to major ports across Africa, USA, Mexico, Oman, and Europe based on buyer preference.
Our support team assists buyers with grade selection, material compatibility, documentation, shipping coordination, and post-delivery follow-up — ensuring a smooth experience at every stage of stainless steel fastener procurement.
Repsol Steel LLP supplies stainless steel fasteners to a wide range of industrial applications across Africa, USA, Mexico, Oman, and Europe where corrosion resistance, reliability, and leak-proof connections are essential for operational safety.
SS316 and SS316L fasteners supplied for wellhead equipment, pipeline systems, process piping, and high-pressure transfer lines across Africa, USA, Mexico, Oman, and Europe.
SS316 and SS321 fasteners supplied for reactors, heat exchangers, process piping, and storage systems handling hydrocarbons at high pressures and temperatures.
SS321 and SS316 fasteners supplied for high-temperature and high-pressure process piping in crude distillation, catalytic cracking, and hydroprocessing units.
SS321 and SS316 fasteners supplied for boilers, steam systems, turbine connections, and high-pressure auxiliary piping in thermal and combined-cycle power plants.
SS304, SS316, and SS904L fasteners supplied for aggressive chemical and corrosive media applications in chemical plants, storage tanks, and process equipment.
SS316L and duplex fasteners supplied for desalination plants, offshore platforms, shipbuilding, and marine piping where chloride resistance is essential.
SS304 and SS316 fasteners supplied for hygienic piping systems, clean-in-place (CIP) lines, and high-purity process applications in pharmaceutical and food processing plants.
Repsol Steel LLP is recognized as a reliable supplier of stainless steel fasteners for industrial applications in Africa, the USA, Mexico, Oman, and Europe. Our export documentation, packaging, and standard compliance are structured for smooth cross-border supply to buyers worldwide — ensuring your stainless steel fasteners arrive on time, in specification, and ready for installation.
Africa: Oil & Gas, mining, refinery & industrial piping projects
USA: Oil & Gas, chemical, power generation & EPC supply
Mexico: Refinery, petrochemical & process industry projects
Oman: Oil & Gas, petrochemical, desalination & refinery projects
Europe: Chemical, power, marine & industrial piping supply
All stainless steel fasteners are supplied with material certificates, dimensional inspection reports, PMI testing, Certificate of Origin, and third-party certification as required by project specifications.
Yes. We are a leading supplier of stainless steel fasteners for industrial applications serving buyers across Africa, the USA, Mexico, Oman, and Europe — supplying SS304, SS316, SS321, SS904L, and duplex hex bolts, stud bolts, hex nuts, nylock nuts, and washers.
SS304 is a general-purpose stainless steel with good corrosion resistance. SS316 contains molybdenum, giving it superior resistance to chlorides, marine environments, and petrochemical service. SS316 is preferred for offshore, chemical, and high-chloride industrial applications.
We provide complete export documentation — Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, and Material Test Certificates (MTC to EN 10204 3.1/3.2). PMI testing and third-party inspection reports (SGS, BV, TUV, Intertek) are available on request.
We support FOB, CIF, CFR, EXW, and DAP Incoterms. We coordinate with trusted freight partners for sea, air, and multimodal export shipments to major ports across Africa, USA, Mexico, Oman, and Europe based on buyer preference.
Yes. We offer custom sizes, materials, bolt configurations, nut types, washer types, thread specifications, and surface finishes based on drawings, piping specifications, and project requirements — with quick turnaround times for industrial orders.
Send us your stainless steel fastener specifications, material 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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