Product Overview
Handan Bolt is a professional manufacturer of DIN 931 Hex Bolt with Shank (Partial Thread) in Yongnian, China. Our bolts are widely used in heavy construction, steel structures, and automotive industries. We supply high-strength bolts (Grade 8.8, 10.9) to the global market, with a special focus on GOST standards for the Russian market.
Key Features:
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Direct Factory Price: No middleman, competitive pricing for bulk orders.
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High Strength: Available in Class 8.8, 10.9, and 12.9 for structural use.
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Anti-Corrosion: Hot Dip Galvanized (HDG) and Dacromet coating available for harsh environments.
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Strict Quality Control: ISO 9001 certified manufacturer with MTC (Mill Test Certificate) provided.
Technical Specifications of DIN 931 Hex Bolt
| Parameter | Specification Details |
| Product Name | Hexagon Head Bolt with Shank (Partial Thread) |
| Standards | DIN 931, ISO 4014, GOST 7798-70, GOST 7805-70 |
| Material | Carbon Steel (Q235, 35K, 45#), Alloy Steel (40Cr, 35CrMo) |
| Grade (Class) | 4.8, 5.8, 8.8, 10.9, 12.9 |
| Diameter (Size) | M6, M8, M10, M12, M16, M20, M24, up to M64 |
| Length | 30mm – 500mm (Custom lengths available) |
| Surface Treatment | Plain (Oiled), Black Oxide, Zinc Plated (Cr3+), Yellow Zinc, Hot Dip Galvanized (HDG), Dacromet, Geomet |
| Thread Type | Metric Coarse Thread (Standard), Fine Thread |
Applications
The DIN 931 Hex Bolt is essential for situations where shear strength is critical. The unthreaded shank provides a stronger grip in the bolt hole compared to full-thread bolts.
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Steel Structure Construction
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Railway and Bridge Engineering
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Heavy Machinery Assembly
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Automotive Industry
Packaging & Shipping
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Small Box: 25kg / Carton (with or without small inner boxes).
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Bulk: 36 Cartons / Wood Pallet (approx 900kg).
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OEM Packing: We can print your logo on the carton and label (Barcode supported).
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Port of Loading: Tianjin / Qingdao / Shanghai.
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