Double-End Stud Bolt
Asia Bolts Industries LLC manufactures precision double-end stud bolts designed for high-pressure flange connections and heavy machinery assembly. Featuring threaded ends with an unthreaded shank, these studs ensure optimal load distribution and ease of installation.
- Standards: ASTM A193, A320, A354, DIN 938, 939
- Grades: B7, B8, B8M, L7, Grade 10.9
- Materials: Carbon Steel, Alloy Steel, Stainless Steel 304/316
- Certification: Saudi Aramco Approved, ISO 9001, MTC EN 10204 3.1
Available in custom lengths and diameters. Bulk quantities shipped from Dubai to 70+ countries.
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High-Performance Double-End Stud Bolts by Asia Bolts
At Asia Bolts Industries LLC, we engineer double-end stud bolts to meet the rigorous demands of the oil & gas, petrochemical, and power generation industries. Unlike fully threaded studs, our double-end studs feature threading on both extremities with a plain shank in the center, providing superior tensile strength and precise clamping force for critical flange connections.
Manufactured at our 32,260 sqm facility in Dubai Investment Park, every stud undergoes strict quality control to ensure compliance with international standards. As a Saudi Aramco approved manufacturer, we guarantee material integrity and traceability for every shipment.
Technical Specifications
| Product Type | Double-End Stud Bolt (Threaded Both Ends) |
| Standards | ASTM A193, ASTM A320, ASTM A354, DIN 938, DIN 939, ISO 898-1 |
| Material Grades | Carbon Steel (Grade 5.8, 8.8, 10.9), Alloy Steel (B7, L7), Stainless Steel (B8, B8M) |
| Diameter Range | M6 to M120 (1/4″ to 6″) |
| Length Range | Custom lengths available based on application requirements |
| Thread Type | Metric (ISO), UNC, UN8 (Constant Pitch) |
| Surface Finish | Plain, Zinc Plated, Hot Dip Galvanized (HDG), PTFE Coated, Dacromet |
| Testing | Tensile Strength, Hardness, Impact Testing, Chemical Analysis, PMI Testing |
| Documentation | MTC EN 10204 3.1, Certificate of Conformance (COC), Certificate of Origin (COO) |
Quality Assurance at Asia Bolts Industries LLC
Quality is the backbone of our manufacturing process. Every batch of double-end stud bolts produced by Asia Bolts is subjected to comprehensive testing in our in-house NABL-accredited laboratory. We ensure:
- 100% Material Traceability: Heat numbers are tracked from raw material to finished product.
- Dimensional Accuracy: Threads are gauged to ensure perfect fitment with nuts and tapped holes.
- Coating Integrity: Hydrogen embrittlement relief baking is performed for plated studs to prevent failure.
Request a Quote
Looking for reliable double-end stud bolts in UAE or abroad? Contact Asia Bolts Industries LLC today for competitive pricing and technical support. Our engineering team is ready to assist with material selection and customization.
- 🏗️ High-rise Buildings & Commercial Construction
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- ⚡ Power Plants & Substations
- 🛢️ Oil & Gas — Onshore & Offshore Platforms
- 🏭 Petrochemical & Industrial Facilities
- 📡 Transmission Towers & Telecom Structures
- 💧 Water Treatment Plants & Desalination
- 🚉 Rail & Metro Infrastructure
Packaging Information
📦 Standard: Cartons, wooden boxes or pallets based on quantity and customer requirements
🎁 Custom: Polybag + carton on request
🚢 Export: Fumigated pallets available
📋 Each box includes inspection certificate
Delivery Information
📦 Lead Time: Stock items: 1-5 days | Custom manufacturing: 7-30 days
🚢 Shipping Methods: Air freight, sea freight, or land transportation. FOB, CIF, DDP terms available.
📋 Full export documentation provided with every shipment: Commercial Invoice, Packing List, MTC, Bill of Lading, and Certificate of Origin
☑ Saudi Aramco Approved: Recognized vendor for critical upstream and downstream projects.
🔩 Custom Manufacturing: We produce non-standard lengths and diameters based on your drawings.
🏅 Triple ISO + CE Certified: ISO 9001 Quality, ISO 45001 Safety, and ISO 14001 Environmental certification, plus CE marking for European market compliance.
🏭 32,260 sqm Facility: The largest fastener manufacturing complex in the Middle East, equipped with advanced CNC machinery and full in-house production capability.
🔬 In-House Testing Lab: Full material traceability from raw stock to finished product. Tensile, hardness, dimensional, and spectroscopic testing all performed on-site.
🚚 Global Delivery: Shipped to 70+ countries via established logistics networks. Flexible packaging, documentation and third-party inspection support available.
