We specialize in the research and development, production, and sales of various standard, non-standard, and fasteners such as high-quality and high-precision bolts, screws, nuts, washers, etc.
Fasteners have diverse materials and complete specifications, supporting non-standard customization.
Consulting service hotline:13306482520
Email:13306482520@163.com
| Thread size d | M3 | M4 | M5 | M6 | M8 | M10 | M12 | |
| h ② | Nominal | 0.5 | 0.8 | 1 | 1.6 | 1.6 | 2 | 2.5 |
| H | Nominal | 2 | 2.75 | 3.25 | 4 | 5 | 6.25 | 7.5 |
| dc | Nominal | 7 | 9 | 10 | 12 | 16 | 20 | 24 |
| d2 | Refer to | 5.23 | 6.78 | 8.75 | 10.71 | 13.64 | 16.59 | 19.53 |
| a | Maximum value | 1 | 1.4 | 1.6 | 2 | 2.5 | 3 | 3.5 |
| Thousand pieces of steel weightt≈kg | - | - | - | - | - | - | - | |
①,Other size references Bolt: GB 5783; Washers: GB 9074.24, GB 9074.26 ②,The h values of M8, M10, and M12 are inconsistent with the corresponding values in GB 9074.24-88 | ||||||||
E-Mail：13306482520@163.com
Phone：133-0648-2520
Address：008, Zone 9, Wanxing International Hardware City, Heilongjiang North Road, Chengyang District, Qingdao City, Shandong Province
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