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 | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | M8 | |||
| P | Pitch | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | ||
| Slot | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | |||
| dk | Maximum value | 4.5 | 5.7 | 6.9 | 8.1 | 9.4 | 11.8 | 14 | 17.8 | ||
| Minimum value | 4.1 | 5.3 | 6.4 | 7.6 | 8.9 | 11.2 | 13.3 | 17 | |||
| k | Nominal | 1.2 | 1.5 | 1.9 | 2.2 | 2.5 | 3.1 | 3.7 | 4.8 | ||
| Maximum value | 1.3 | 1.6 | 2.05 | 2.35 | 2.65 | 3.25 | 3.9 | 5 | |||
| Minimum value | 1.1 | 1.4 | 1.75 | 2.05 | 2.35 | 2.95 | 3.5 | 4.6 | |||
| b | 8 | 12 | 12 | 14 | 16 | 20 | 25 | 30 | |||
| m | Refer to | 2.2 | 2.5 | 2.9 | 4 | 4.3 | 5 | 6.3 | 7.8 | ||
| Depth | Groove depth | Maximum value | 1.01 | 1.32 | 1.72 | 1.83 | 2.13 | 2.83 | 2.86 | 4.36 | |
| Minimum value | 0.65 | 0.95 | 1.34 | 1.3 | 1.6 | 2.29 | 2.31 | 3.78 | |||
| r | Minimum value | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | ||
| R | ≈ | 3 | 3.7 | 4.6 | 5.4 | 6.1 | 7.7 | 9.1 | 11.7 | ||
| ①,x ≈ 2P | |||||||||||
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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