Repsol Steel LLP is a trusted bulk industrial fasteners supplier, supplying high-volume bolting and fastening products to industrial buyers, EPC contractors, and procurement teams across Africa, USA, Mexico, Oman, and Europe. Our bulk supply range includes hex bolts, stud bolts, hex nuts, nylock nuts, flat washers, spring washers, and threaded rods — manufactured in A193 B7, A194 2H, SS304, SS316, alloy steel, and exotic alloys in accordance with ASME B18.2.1, ASME B18.2.2, ASTM A193, and ASTM A194. Every bulk shipment is supplied with full documentation, EN 10204 3.1 certification, and export-grade packaging suited to high-volume project requirements.
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, marine, pharmaceutical, and food processing facilities. Our bulk 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 a bulk order of A193 B7 stud bolts for a refinery project in Oman, A194 2H hex nuts for a petrochemical plant in Mexico, SS316 hex bolts for a chemical plant in Europe, alloy steel stud bolts for a power plant in Africa, or flat washers for a large-scale fabrication project in the USA — Repsol Steel LLP supplies the right bulk fastener solution, on time, with complete export documentation.
A complete bulk fastener supply portfolio covering hex bolts, stud bolts, hex nuts, nylock nuts, flat washers, and spring washers in A193 B7, A194 2H, SS304, SS316, and alloy steel — engineered for high-volume projects requiring reliable bolting and leak-proof connections.
High-strength hex bolts supplied in bulk for structural and flanged connections. Available in A193 B7, B16, B8, B8M grades per ASME B18.2.1.
Grades: A193 B7, B16, B8, B8M
Compliance: ASME B18.2.1
Size Range: M6 to M100
Stud bolts threaded on both ends supplied in bulk for flanged connections. Available in A193 B7, B7M, B8, B8M, B16, L7 grades per ASTM A193.
Grades: A193 B7, B7M, B8, B8M, B16, L7
Compliance: ASTM A193
Size Range: M6 to M48
High-strength hex nuts supplied in bulk for use with hex bolts and stud bolts. Available in A194 2H, 4, 8, 8M grades per ASME B18.2.2.
Grades: A194 2H, 4, 8, 8M
Compliance: ASME B18.2.2
Size Range: M6 to M100
Nylock nuts (nylon insert lock nuts) supplied in bulk for vibration-resistant fastening in industrial and structural applications.
Grades: SS304, SS316, CS
Compliance: DIN 985, ISO 10511
Size Range: M3 to M56
Flat washers and plain washers supplied in bulk for load distribution and surface protection under bolt heads and nuts.
Grades: SS304, SS316, CS
Compliance: ASME B18.22.1, DIN 125
Size Range: M3 to M56
Spring washers for vibration resistance, plus custom-manufactured bolts, nuts, and washers supplied in bulk in non-standard sizes, materials, and configurations per drawings.
Grades: SS304, SS316, CS, Alloy Steel
Compliance: DIN 127, IS 3063, Custom
Size Range: M3 to M56
Bulk industrial fasteners are supplied in different materials and grades to suit specific pressure, temperature, and media conditions across Africa, USA, Mexico, Oman, and Europe. We supply bulk fasteners in the following materials and grades:
All bulk 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 | Carbon Steel (A193 B7, A194 2H), Stainless Steel (SS304, SS316, A193 B8, B8M, A194 8, 8M), Alloy Steel (A193 B16, B7, F11, F22, F91), Duplex (F51, F53, F55), Exotic Alloys (Monel, Inconel, Hastelloy) |
| Size Range | M3 to M100 standard; larger sizes available on request |
| Bulk Quantities | High-volume quantities available for project orders, EPC contracts, and long-term supply agreements |
| Standards Compliance | ASME B18.2.1, B18.2.2, B18.22.1, ASTM A193, A194, DIN, ISO, JIS, IS |
| 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 |
Bulk industrial fasteners are critical for ensuring leak-proof connections, pressure containment, and safe operations in refineries, petrochemical, chemical, and power plants across Africa, USA, Mexico, Oman, and Europe. Before finalizing a bulk fastener order, our technical team recommends evaluating four key factors:
If you are unsure which bulk fasteners best suit your project, our technical team is available to review your piping drawings, process data, and project specifications — and recommend the most suitable bulk fastener solution.
We have supplied bulk 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 high-volume project orders.
Every bulk 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 bulk 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.
Bulk fasteners are packed with rust-preventive coating and moisture-resistant export-grade packaging (wooden boxes, crates, or bulk bags) 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 bulk shipments to major ports across Africa, USA, Mexico, Oman, and Europe based on buyer preference.
Our support team assists buyers with bulk order planning, material grade selection, documentation, shipping coordination, and post-delivery follow-up — ensuring a smooth experience at every stage of bulk fastener procurement.
Repsol Steel LLP supplies bulk industrial fasteners to a wide range of process industries across Africa, USA, Mexico, Oman, and Europe where reliable bolting and leak-proof connections are essential for safety and operational reliability.
A193 B7 stud bolts with A194 2H hex nuts supplied in bulk for wellhead equipment, pipeline systems, process piping, and high-pressure transfer lines across Africa, USA, Mexico, Oman, and Europe.
SS316 and alloy steel bolts, nuts, and washers supplied in bulk for reactors, heat exchangers, process piping, and storage systems handling hydrocarbons at high pressures and temperatures.
A193 B16 and alloy steel bolts with A194 4/8 nuts supplied in bulk for high-temperature and high-pressure process piping in crude distillation, catalytic cracking, and hydroprocessing units.
High-strength A193 B16 and alloy steel bolts, nuts, and washers supplied in bulk for boilers, steam systems, turbine connections, and high-pressure auxiliary piping in thermal and combined-cycle power plants.
SS304 and SS316 bolts, nuts, and washers supplied in bulk for aggressive chemical and corrosive media applications in chemical plants, storage tanks, and process equipment.
SS316 and duplex bolts, nuts, and washers supplied in bulk for offshore platforms, subsea systems, shipbuilding, and marine piping where chloride resistance is essential.
Bulk fasteners supplied to fabrication units and EPC contractors for piping spools, skids, modular systems, and industrial assemblies — with quick turnaround times and documentation support.
Repsol Steel LLP is recognized as a reliable bulk industrial fasteners supplier for procurement teams, EPC contractors, and maintenance projects across 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 bulk 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 bulk 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 bulk industrial fasteners supplier serving buyers across Africa, the USA, Mexico, Oman, and Europe — offering hex bolts, stud bolts, hex nuts, nylock nuts, flat washers, spring washers, and threaded rods in A193 B7, A194 2H, SS304, SS316, alloy steel, and exotic alloys in high-volume quantities.
Our bulk fasteners are available in a wide range of materials including carbon steel (A193 B7, A194 2H), stainless steel (SS304, SS316, A193 B8, B8M, A194 8, 8M), alloy steel (A193 B16, B7, F11, F22, F91), duplex (F51, F53, F55), and exotic alloys (Monel, Inconel, Hastelloy).
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 bulk 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 coatings in bulk quantities based on drawings, piping specifications, and project requirements — with quick turnaround times for large orders.
Send us your bulk fastener specifications, material requirements, or bill of materials (BOM). Our export team will respond within 24 hours with a tailored bulk 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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