High-strength hex bolts in DIN 933 fully threaded and DIN 931 partially threaded designs, with multiple surface finishes for industrial fastening.
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High-strength hex bolts in DIN 933 fully threaded and DIN 931 partially threaded designs, with multiple surface finishes for industrial fastening.
| Product Name | DIN931 (Partial Thread) & DIN933 (Full Thread) Hexagon Head High Strength Bolt |
| Standard | DIN931 (Partial Thread), DIN933 (Full Thread) |
| Material | Alloy carbon steel, Grade 8.8 / 10.9 / 12.9 |
| Surface Treatment | Black oxide finish |
| Structure | Hex head; DIN931: partial thread shank; DIN933: full thread, metric coarse thread |
| Origin | Hebei · Handan · Yongnian — Integrated Manufacturer & Exporter |
| MOQ | 100 Pcs (negotiable for trial orders) |
| Strength Grade | 8.8, 10.9, 12.9 |
| Thread Tolerance | 6g |
| Feature | High tensile strength, stable mechanical performance. DIN931 partial thread for thick workpiece compression connection; DIN933 full thread for thin parts, multi-gasket and adjustable assembly |
| Working Temperature | -40 ℃ ~ +120 ℃ |
| Service Life | Suitable for machinery, equipment and general industrial assembly |
| Black Oxide | Standard option, wear-resistant, for indoor general industrial assembly |
| Hot Dip Galvanized | Custom available, good anti-corrosion, for outdoor and coastal environment |
| Zinc plated（Blue white zinc / Color zinc） | Custom available, low-cost anti-rust surface treatment |
| Model | Thread Size | Thread Pitch(mm) | Available Length Range(mm) | Grade Option | Available Type |
|---|---|---|---|---|---|
| HB-M6 | M6 | 1.0 | 20 ~ 60 | 8.8 | DIN931 / DIN933 |
| HB-M8 | M8 | 1.25 | 25 ~ 80 | 8.8 /10.9 | DIN931 / DIN933 |
| HB-M10 | M10 | 1.5 | 30 ~ 100 | 8.8 /10.9 /12.9 | DIN931 / DIN933 |
| HB-M12 | M12 | 1.75 | 35 ~ 120 | 10.9 /12.9 | DIN931 / DIN933 |
| HB-M16 | M16 | 2.0 | 40 ~ 160 | 10.9 /12.9 | DIN931 / DIN933 |
| HB-M20 | M20 | 2.5 | 50 ~ 200 | 10.9 /12.9 | DIN931 / DIN933 |
| Applications | Mechanical equipment, engineering machinery, pump and valve assembly, vehicle chassis, automation equipment, industrial frame fastening. DIN931 preferred for thick plate connection; DIN933 suitable for thin parts, spacer and adjustable assembly. |
| Packaging | Woven bag or wooden pallet, waterproof stretch film wrapped |
| Documents | PI, Packing List, Certificate of Origin, Mill Test Certificate |
| Payment Terms | 30% T/T in advance, balance before shipment |
| Lead Time | 3–7 days for regular stock, 7–15 days for customized specifications |
Please tell us thread size, length, thread type (DIN931 partial thread or DIN933 full thread) and strength grade you need. We supply DIN931 & DIN933 high strength hexagon bolts for industrial machinery assembly.
Email: info@kangnaigu.net
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