Shoulder Bolts
Asia Bolts Industries LLC supplies high-precision Shoulder Bolts manufactured from alloy steel, carbon steel, and stainless steel materials. Designed with a precision-ground shoulder and threaded end, shoulder bolts are ideal for pivot points, guide mechanisms, bearings, machinery, tooling, automation equipment, and industrial assemblies requiring accurate alignment and smooth movement.
- Standards: ISO 7379, DIN 60949, JIS B1189, ASME B18.3
- Materials: Alloy Steel (SCM435/4140), Stainless Steel 303/316
- Hardness: Shoulder Hardened to 58-62 HRC; Threaded End 32-40 HRC
- Tolerance: Shoulder Diameter: h6/g6 (Precision Ground)
- Certification: Saudi Aramco Approved, ISO 9001, MTC EN 10204 3.1
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Technical Specifications
| Product Type | Shoulder Bolt (Stripper Bolt, Stage Bolt, Shouldered Screw) |
| Standards | ISO 7379, DIN 60949, JIS B1189, ASME B18.3 (Inch Series) |
| Material Options | Alloy Steel (SCM435 / 4140), Stainless Steel 303 (Free Machining), 316 (Corrosion Resistant) |
| Shoulder Hardness | 58–62 HRC (Ground & Polished for wear resistance) |
| Thread Hardness | 32–40 HRC (Tough core to prevent shear/brittle failure) |
| Shoulder Tolerance | ISO h6 or g6 (Precision Ground); Surface Finish Ra ≤ 0.8 µm |
| Concentricity | ≤ 0.02 mm (Shoulder to Thread runout) |
| Size Range (Shoulder Dia) | Metric: 3mm to 20mm | Inch: 1/8″ to 3/4″ |
| Shoulder Length | Standard increments available; Custom lengths manufactured to print |
| Head Style | Socket Head Cap (Allen Drive), Hex Head (Custom) |
| Surface Finish | Black Oxide, Oil Coated, Passivated (SS), Zinc Plated (on request) |
| Testing | Dimensional Inspection (CMM), Hardness Testing, Concentricity Check, Magnetic Particle (optional) |
| Documentation | MTC EN 10204 3.1, Dimensional Reports, Hardness Certificates, COC |
- 🏗️ 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: 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.
