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| Categories | Hex Head Bolt |
|---|---|
| Brand Name: | YongBiao |
| Model Number: | Hex Bolt |
| Certification: | ISO9001/16949 |
| Place of Origin: | ZheJIANG China |
| MOQ: | 10000 |
| Price: | FOB NingBo 0.004-1.12USD |
| Payment Terms: | T/T |
| Supply Ability: | 500tons/month |
| Delivery Time: | 7-25Days |
| Packaging Details: | Carton Box/Pallet/Customized |
| Standard: | GB5783 |
| Material: | Stainless Steel,carbon steel,titanium,Aluminum,brass |
| Size: | M3-M24 |
| Grade: | 8.8,4.8/6.8/8.8/10.9/12.9,10.9,4.8,A2-70 |
| Finish: | Zinc plated |
| Color: | Blue and White |
| Head type: | Hexagon head |
| Sample: | Provided,Avaliable (shipping costs needed),Available free within 7days |
| Company Info. |
| NINGBO YONGBIAO FASTENER CO.,LTD |
| Verified Supplier |
| View Contact Details |
| Product List |
GB5783 Grade 8.8 Zinc Plated Hexagon Bolt For Automobile
1.Products Details:
Hexagon head galvanized bolts are a type of fastener with a six-sided (hexagonal) head, designed for secure and reliable joining of components in various applications. They undergo a galvanization process—coating with a layer of zinc—to enhance their durability and resistance to environmental factors.
2.Key Features:
- Hexagonal Head Design:
Allows easy tightening and loosening using standard wrenches or
sockets, ensuring efficient installation and maintenance.
- Galvanized Coating:
The zinc layer acts as a protective barrier, significantly
improving corrosion resistance, making them suitable for outdoor,
humid, or industrial environments where exposure to moisture,
chemicals, or weathering is common.
- High Strength:
Typically made from carbon steel (e.g., 8.8 grade) or alloy steel,
providing strong clamping force for structural and mechanical
connections.
- Versatility:
Widely used in construction, automotive, machinery, electrical
equipment, and infrastructure projects due to their compatibility
with nuts and various materials (metal, wood, etc.).
- Cost-Effective Protection:
Galvanization offers long-term corrosion resistance at a relatively low cost compared to other protective treatments like stainless steel.
3.Technical Parameters of Hex Bolt with lock and plain washer
| d | M3 | M4 | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | (M18) | M20 | (M22) | M24 | |||
| P | 0.5 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 | |||
| a | MAX | 1.5 | 2.1 | 2.4 | 3 | 3.75 | 4.5 | 5.25 | 6 | 6 | 7.5 | 7.5 | 7.5 | 9 | ||
| MIN | - | - | - | - | - | - | - | 2 | - | 2.5 | - | 2.5 | - | |||
| c | MAX | 0.4 | 0.4 | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | ||
| MIN | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | |||
| da | MAX | 3.6 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 | 20.2 | 22.4 | 24.4 | 26.4 | ||
| dw | Grade A | MIN | 4.6 | 5.9 | 6.9 | 8.9 | 11.6 | 14.6 | 16.6 | 19.6 | 22.5 | 25.3 | 28.2 | 31.7 | 33.6 | |
| Grade B | MIN | - | - | 6.7 | 8.7 | 11.4 | 14.4 | 16.4 | 19.2 | 22 | 24.8 | 27.7 | 31.4 | 33.2 | ||
| e | Grade A | MIN | 6.07 | 7.66 | 8.79 | 11.05 | 14.38 | 17.77 | 20.03 | 23.35 | 26.75 | 30.14 | 33.53 | 37.72 | 39.98 | |
| Grade B | MIN | - | - | 8.63 | 10.89 | 14.2 | 17.59 | 19.85 | 22.78 | 26.17 | 29.56 | 32.95 | 37.29 | 39.55 | ||
| k | d | 2 | 2.8 | 3.5 | 4 | 5.3 | 6.4 | 7.5 | 8.8 | 10 | 11.5 | 12.5 | 14 | 15 | ||
| Grade A | MIN | 1.88 | 2.68 | 3.35 | 3.85 | 5.15 | 6.22 | 7.32 | 8.62 | 9.82 | 11.28 | 12.28 | 13.78 | 14.78 | ||
| MAX | 2.12 | 2.92 | 3.65 | 4.15 | 5.45 | 6.58 | 7.68 | 8.98 | 10.18 | 11.72 | 12.72 | 14.22 | 15.22 | |||
| Grade B | MIN | - | - | 3.26 | 3.76 | 5.06 | 6.11 | 7.21 | 8.51 | 9.71 | 11.15 | 12.15 | 13.65 | 14.65 | ||
| MAX | - | - | 3.74 | 4.24 | 5.54 | 6.69 | 7.79 | 9.09 | 10.29 | 11.85 | 12.85 | 14.35 | 15.35 | |||
| k1 | Grade A | MIN | 1.3 | 1.9 | 2.35 | 2.7 | 3.6 | 4.35 | 5.12 | 6 | 6.9 | 7.9 | 8.6 | 9.6 | 10.35 | |
| Grade B | MIN | - | - | 2.28 | 2.63 | 3.54 | 4.28 | 5.05 | 6 | 6.8 | 7.8 | 8.5 | 9.5 | 10.3 | ||
| r | MIN | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 1 | 0.8 | ||
| s | MAX | 5.5 | 7 | 8 | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 | 34 | 36 | ||
| Grade A | MIN | 5.32 | 6.78 | 7.78 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.67 | 29.67 | 33.38 | 35.38 | ||
| MIN | - | - | 7.64 | 9.64 | 12.57 | 15.57 | 17.57 | 20.16 | 23.16 | 26.76 | 29.16 | 33 | 35 | |||

4.Certificate Display

5.Production Process

6.Packaging and shipping Details

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