Repsol Steel LLP is a trusted stainless steel bolts supplier for buyers across the USA, Europe, Africa, Mexico, and Oman. We supply a comprehensive range of stainless steel bolts — including SS304, SS316, SS321, SS347, and Duplex hex bolts, stud bolts, and anchor bolts — engineered for corrosion resistance and reliable bolting performance across Oil & Gas, petrochemical, refinery, structural, 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 stainless steel bolt we supply complies with ASTM A193, ASTM A320, ASME B18.2.1, ASME B18.31.2, and ISO 898-1 standards, with full material traceability, mechanical test reports, and documentation that meets the requirements of projects in the USA, Europe, Africa, Mexico, and Oman.
Whether you require standard SS316 hex bolts for a petrochemical plant in Europe, SS304 stud bolts for a refinery in the USA, or SS321 anchor bolts for a construction project in Africa or Oman — Repsol Steel LLP delivers the right stainless steel bolting solution, on time, with complete export documentation.
A complete stainless steel bolts portfolio covering SS304, SS316, SS321, SS347, and Duplex hex bolts, stud bolts, and anchor bolts — engineered for corrosion resistance and reliable bolting performance across global markets.
The most widely specified stainless steel bolts for corrosive and high-temperature service. SS316 hex bolts provide superior corrosion resistance to chlorides and marine environments.
Compliance: ASME B18.2.1, ASTM A193
Applications: Petrochemical, refinery, chemical processing
Size Range: ½" to 4"
Cost-effective stainless steel bolts for general industrial applications. SS304 hex bolts provide good corrosion resistance and reliable performance in moderate service conditions.
Compliance: ASME B18.2.1
Applications: General industry, utilities, process piping
Size Range: ½" to 4"
High-temperature stainless steel bolts for elevated service conditions. SS321 hex bolts provide superior thermal stability and oxidation resistance at high temperatures.
Compliance: ASTM A193
Applications: Refinery, power generation, high-temperature piping
Size Range: ½" to 4"
Double-end SS316 stud bolts 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
Applications: Pipeline flanges, valve bonnets
Size Range: ½" to 4"
Stainless steel anchor bolts for securing structural steel, machinery, and equipment to concrete foundations. Available in L-bend, J-bend, and straight configurations.
Compliance: ASTM F1554, ASTM A307
Materials: SS304, SS316
Size Range: ½" to 4"
High-strength stainless steel bolts for highly corrosive and high-pressure service. Duplex bolts offer superior resistance to stress corrosion cracking.
Compliance: ASTM A182, NORSOK
Applications: Subsea, offshore, chemical processing
Size Range: ½" to 4"
Stainless steel bolts are supplied in different grades to suit specific pressure, temperature, and media conditions. The grade of stainless steel determines the corrosion resistance, mechanical strength, and temperature capability of the bolt. We supply stainless steel bolts in the following grades:
All stainless steel bolts we supply 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.
| Parameter | Specification |
|---|---|
| Bolt Types | Hex Bolts, Stud Bolts, Anchor Bolts, Custom Bolts |
| Stainless Steel Grades | SS304/304L, SS316/316L, SS321, SS347, SS904L, Duplex 2205, Super Duplex 2507 |
| Size Range (Imperial) | ¼" to 4" standard; larger sizes available on request |
| Size Range (Metric) | M6 to M100 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 and ISO 261 |
| Surface Finish | Plain, Passivated (stainless steel bolts typically supplied plain or passivated) |
| Standards Compliance | ASTM A193, ASTM A320, ASME B18.2.1, ASME B18.31.2, ISO 898-1, DIN 931, DIN 933 |
| 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 |
Correct stainless steel bolt selection is critical to ensuring a leak-free flanged joint, reliable structural connection, and long-term operational safety. The grade, bolt type, and thread must be matched to the operating pressure, temperature, and application. Our technical team recommends evaluating four key factors before finalizing a stainless steel bolt:
If you are unsure which stainless steel bolt specification best suits your application, our technical team is available to review your flange drawings, structural requirements, and project specifications — and recommend the most suitable stainless steel bolting solution.
We specialize in stainless steel bolt supply — offering SS304, SS316, SS321, SS347, SS904L, Duplex, and Super Duplex hex bolts, stud bolts, and anchor bolts. All bolts are manufactured to ASTM and ASME standards.
We supply stainless steel bolts in all major grades — SS304/304L, SS316/316L, SS321, SS347, SS904L, Duplex 2205, and Super Duplex 2507 — from ¼" to 4" (M6 to M100) as standard, with larger sizes on request.
Every stainless steel bolt batch is backed by Material Test Certificates (MTC to EN 10204 3.1) confirming the exact grade, and can be supplied with mechanical test reports, dimensional inspection reports, and third-party certification on request.
Non-standard sizes, grades, lengths, and stainless steel bolt configurations are manufactured according to drawings, equipment specifications, and project requirements — with quick turnaround times.
We supply stainless steel bolts 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 stainless steel grade selection, bolt type recommendations, and installation guidance. Post-supply support includes documentation follow-up and replacement coordination.
Repsol Steel LLP supplies stainless steel bolts to a wide range of process industries across USA, Europe, Africa, Mexico, and Oman — where corrosion resistance and high-temperature bolting performance are essential.
Stainless steel bolts supplied for wellhead equipment, Christmas trees, pipeline flanges, and high-pressure process piping in upstream, midstream, and downstream operations.
Bolting solutions supplied for reactors, heat exchangers, process piping, and storage systems handling hydrocarbons at high pressures and temperatures.
SS316 anchor bolts and structural bolts supplied for steel-to-steel connections, foundation anchorage, and structural assemblies.
High-temperature stainless steel bolts supplied for boilers, steam systems, turbine connections, and high-pressure auxiliary piping in thermal and nuclear power plants.
SS316 and SS904L bolts supplied for aggressive chemical and corrosive media applications in reactors, storage tanks, and process equipment.
Duplex and Super Duplex bolts supplied for subsea wellhead equipment, manifolds, and flowlines per API 17D — with superior resistance to seawater and chloride stress corrosion.
Repsol Steel LLP is recognized as a reliable stainless steel bolts supplier for international procurement teams, EPC contractors, and maintenance projects. Our export documentation, packaging, and standard compliance are structured for smooth cross-border supply to buyers in the USA, Europe, Africa, Mexico, and Oman — ensuring your stainless steel bolts arrive on time, in specification, and ready for installation.
USA: Stainless steel bolt supply for Oil & Gas, petrochemical & structural projects
Europe: Stainless steel bolts for chemical, refinery & process industries
Africa: Stainless steel bolts for refinery, petrochemical & subsea projects
Mexico: Stainless steel bolt supply for chemical plants & refinery operations
Oman: Stainless steel bolts for Oil & Gas, petrochemical & power projects
All stainless steel bolts are supplied with Material Test Certificates (MTC to EN 10204 3.1), mechanical test reports, and third-party certification as required by project specifications.
Stainless steel bolts are threaded fasteners manufactured from stainless steel grades such as SS304, SS316, SS321, SS347, and SS904L. They are used for corrosion resistance and high-temperature bolting in flanged joints, structural connections, and industrial applications.
We supply stainless steel bolts in SS304/304L, SS316/316L, SS321, SS347, SS904L, Duplex 2205, and Super Duplex 2507 grades — selected based on operating pressure, temperature, and media compatibility.
We supply stainless steel hex bolts, stud bolts, anchor bolts, and custom bolts — in various grades, sizes, and thread types per project specifications.
We supply stainless steel bolts primarily to the USA, Europe, Africa, Mexico, and Oman, serving Oil & Gas, petrochemical, subsea, refinery, power, structural, and chemical processing projects in these regions.
Yes. We offer custom sizes, grades, lengths, and stainless steel bolt configurations 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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