





Structural Bolts
Asia Bolts Industries manufactures high-strength structural bolts to ASTM A325, A490, ISO 898-1 and EN 14399 specifications — available in sizes M12 to M80 (½” to 3-5/32″ imperial) — for slip-critical and bearing-type connections in steel construction, bridge engineering and heavy industrial structures. Supplied as complete bolt assemblies with matching ASTM A563 nuts and ASTM F436 hardened washers. Saudi Aramco approved. Stocked in Dubai for immediate GCC & beyond dispatch.
- ✔ Standards: ASTM A325 (Type 1 & 3), ASTM A490, ISO 898-1 (Class 8.8 / 10.9), EN 14399-3/4, BS 4395 (HSFG), ISO 4014 / 4017
- ✔ Matching Assembly Standards: ASTM A563 Grade DH / C (nuts), ASTM F436 (hardened washers), EN 14399-5/6
- ✔ Head Styles & Types:Heavy Hex Head (A325 / A490), Hex Head (ISO 8.8 / 10.9), TC Tension Control / Twist-Off Bolts, HSFG (High Strength Friction Grip)
- ✔ Size Range:M12 to M80 · ½” to 3-5/32″ imperial · Custom lengths to drawing
- ✔ Surface Finishes:Hot-Dip Galvanized (ISO 1461 / ASTM A153), Plain / Self-Colour (Black), Mechanically Galvanized (ASTM B695), Dacromet / Geomet (Grade 10.9 — zero HE risk)
- ✔ Certification & Traceability: Saudi Aramco Approved · ISO 9001:2015 · MTC EN 10204 3.1 · Full heat-number traceability · Batch mechanical testing per ASTM F606
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Our Structural Bolts are engineered for critical load-bearing applications in steel construction. These heavy hex bolts provide exceptional tensile strength and are designed to work with matching heavy hex nuts and hardened washers.
Each batch undergoes rigorous testing including tensile strength, hardness, impact testing, and chemical analysis. Full material traceability is provided with every shipment through Mill Test Certificates (MTC) EN 10204 3.1.
Technical Specifications
| Standard | ASTM A325, ASTM A490, EN 14399, ISO 898-1 |
| Material Grade | Grade 8.8, 10.9, 12.9 |
| Diameter Range | M10, M12, M16, M20, M24, M27, M30, M36, M40, M50, M60, M80 |
| Length Range | 50mm to 500mm (custom lengths available) |
| Thread Type | Coarse Thread (UNC), Fine Thread (UNF) on request |
| Head Type | Heavy Hex, Standard Hex |
| Surface Finish | Plain, Zinc Plated, Hot Dip Galvanized (HDG), Dacromet, Geomet |
| Testing | Tensile, Hardness, Impact (Charpy), Chemical Analysis |
| Certification | MTC EN 10204 3.1, COC, COO |
- 🏗️ High-rise Buildings & Commercial Construction
- 🌉 Bridges, Flyovers & Infrastructure
- ⚡ 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: أكبر مجمع لتصنيع أدوات التثبيت في الشرق الأوسط، مجهز بآلات التحكم الرقمي (CNC) المتقدمة وقدرات إنتاج داخلية كاملة.
🔬 In-House Testing Lab: تتبع كامل لمسار المواد بدءاً من المواد الخام وحتى المنتج النهائي؛ حيث نُجري كافة فحوصات الشد، والصلابة، والأبعاد، والتحليل الطيفي محلياً داخل منشأتنا.
🚚 Global Delivery: Shipped to 70+ countries via established logistics networks. Flexible packaging, documentation and third-party inspection support available.










