Repsol Steel LLP is a trusted industrial fastener stockist, holding ready stock of a comprehensive range of bolting and fastening products for industrial buyers, EPC contractors, and procurement teams worldwide. Our stock includes hex bolts, stud bolts, hex nuts, nylock nuts, flat washers, spring washers, and threaded rods — held in A193 B7, A194 2H, SS304, SS316, alloy steel, and exotic alloys. As a stockist, we can supply standard sizes immediately from stock — with full documentation, EN 10204 3.1 certification, and international packaging standards suited to urgent project requirements.
With over 25 years of combined industry experience and a proven export network, we serve clients across worldwide markets — including Oil & Gas, petrochemical, refinery, power generation, chemical processing, marine, pharmaceutical, and food processing facilities. Our stockist 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 A193 B7 stud bolts for a refinery shutdown, A194 2H hex nuts for a petrochemical plant turnaround, SS316 hex bolts for a chemical plant maintenance, alloy steel stud bolts for a power plant overhaul, or flat washers for an urgent industrial application — Repsol Steel LLP supplies the right fastener from stock, on time, with complete documentation and export support.
A complete fastener stockist 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 — held ready for immediate dispatch to meet urgent project and maintenance requirements.
High-strength hex bolts held in stock 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 held in stock 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 held in stock 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) held in stock 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 held in stock 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 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
Fasteners are held in stock in different materials and grades to suit specific pressure, temperature, and media conditions. We hold the following materials and grades in stock for immediate supply:
All fasteners we supply from stock 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) |
| Stock Size Range | M6 to M48 standard sizes held in stock; larger sizes (M52–M100) and non-standard sizes available on request |
| 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 |
Fasteners are critical for ensuring leak-proof connections, pressure containment, and safe operations in refineries, petrochemical, chemical, and power plants. When urgent requirements arise, a stockist can supply immediately — avoiding costly downtime. Before finalizing fasteners from stock, our technical team recommends evaluating four key factors:
If you are unsure which fasteners from stock best suit your application, our technical team is available to review your piping drawings, process data, and project specifications — and recommend the most suitable fastener solution for immediate supply.
We hold ready stock of standard sizes in hex bolts, stud bolts, hex nuts, nylock nuts, and washers — enabling immediate supply for urgent project and maintenance requirements, reducing lead times and avoiding costly downtime.
Every fastener shipment from stock 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 stocked 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.
Fasteners are packed with rust-preventive coating and moisture-resistant export-grade packaging designed for long-distance sea, air, and road transport — protecting product integrity from our warehouse to your destination.
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 worldwide based on buyer preference.
Our support team assists buyers with stock availability checks, material grade selection, documentation, shipping coordination, and post-delivery follow-up — ensuring a smooth experience at every stage of fastener procurement from stock.
Repsol Steel LLP supplies fasteners from stock to a wide range of process industries where quick turnaround, reliable bolting, and leak-proof connections are essential for safety and operational reliability.
A193 B7 stud bolts with A194 2H hex nuts supplied from stock for wellhead equipment, pipeline systems, process piping, and high-pressure transfer lines — often required urgently during maintenance and shutdowns.
SS316 and alloy steel bolts, nuts, and washers supplied from stock 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 from stock for high-temperature and high-pressure process piping in crude distillation, catalytic cracking, and hydroprocessing units — with quick dispatch for turnarounds.
High-strength A193 B16 and alloy steel bolts, nuts, and washers supplied from stock 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 from stock for aggressive chemical and corrosive media applications in chemical plants, storage tanks, and process equipment.
SS316 and duplex bolts, nuts, and washers supplied from stock for offshore platforms, subsea systems, shipbuilding, and marine piping where chloride resistance is essential.
Fasteners supplied from stock to fabrication units and EPC contractors for piping spools, skids, modular systems, and industrial assemblies — reducing project lead times.
Repsol Steel LLP is recognized as a reliable industrial fastener stockist for procurement teams, EPC contractors, and maintenance projects. Our export documentation, packaging, and standard compliance are structured for smooth cross-border supply to buyers worldwide — ensuring your fasteners arrive on time, in specification, and ready for installation.
Europe: Refinery, petrochemical, chemical & power industry supply
Middle East: Refinery, petrochemical & gas processing projects
Southeast Asia: Refinery, petrochemical & marine projects
Americas: Oil & Gas, chemical & power generation supply
Africa: Refinery, mining & industrial piping applications
Oceania: EPC contractors & fabrication units
All fasteners are supplied from stock with material certificates, dimensional inspection reports, PMI testing, Certificate of Origin, and third-party certification as required by project specifications.
We hold ready stock of 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 for refineries, petrochemical, chemical, and power plants. Standard metric sizes (M6–M48) are held in stock; larger and imperial sizes can be manufactured on request.
Stock items are typically dispatched within 2–5 working days, subject to order confirmation and documentation. For urgent requirements, we can coordinate expedited shipping via air freight to reduce transit times. Please confirm availability with our export team at the time of enquiry.
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 and air export shipments to major ports worldwide based on buyer preference and destination port requirements.
Yes. For sizes, materials, or configurations not held in stock, we offer custom manufacturing of bolts, nuts, and washers based on drawings, piping specifications, and project requirements — with standard turnaround times for production and dispatch.
Send us your fastener specifications, material requirements, or drawings. Our export team will confirm stock availability and 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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