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 specification d | (M68) | M72 | (M76) | M80 | M90 | M100 | M110 | M125 | M140 | M160 | |
| P | Pitch | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| b | 125＜L≤200 | 148 | 156 | 164 | 172 | 192 | - | - | - | - | - |
| L＞200 | 161 | 169 | 177 | 185 | 205 | 225 | 245 | 275 | 305 | 345 | |
| c | Minimum value | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Maximum value | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
| da | Maximum value | 75 | 79 | 83 | 87 | 97 | 107 | 117 | 132 | 147 | 167 |
| ds | Maximum value=nominal | 68 | 72 | 76 | 88 | 90 | 100 | 110 | 125 | 140 | 160 |
| Minimum value | 67.26 | 71.26 | 75.26 | 79.26 | 89.13 | 99.13 | 109.13 | 124 | 139 | 159 | |
| dw | Minimum value | 92.9 | 97.7 | 102.1 | 106.9 | 121.1 | 135.4 | 144.9 | 168.6 | 185.6 | 214.1 |
| e | Minimum value | 110.51 | 116.16 | 121.81 | 127.46 | 144.08 | 161.02 | 172.32 | 200.57 | 220.8 | 254.7 |
| k | Nominal | 43 | 45 | 48 | 50 | 57 | 63 | 69 | 79 | 88 | 100 |
| Minimum value | 42.5 | 44.5 | 47.5 | 49.5 | 56.4 | 62.4 | 68.4 | 78.4 | 87.3 | 99.3 | |
| Maximum value | 43.5 | 45.5 | 48.5 | 50.5 | 57.6 | 63.6 | 69.6 | 79.6 | 88.7 | 100.7 | |
| k1 | Minimum value | 29.8 | 31.2 | 33.2 | 34.6 | 40.3 | 43.7 | 47.9 | 54.9 | 61.1 | 69.5 |
| r | Minimum value | 2 | 2 | 2 | 2 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
| s | Maximum value=nominal | 100 | 105 | 110 | 115 | 130 | 145 | 155 | 180 | 200 | 230 |
| Minimum value | 97.8 | 102.8 | 107.8 | 112.8 | 127.5 | 142.5 | 152.5 | 177.5 | 195.4 | 225.4 | |
| Thread b | - | - | - | - | - | - | - | - | - | - | |
| ①, Material: Steel, mechanical properties: according to their respective materials or protocols Note: If the mechanical properties of each material can be guaranteed, the strength level of DIN EN ISO 898-1 also applies to specifications above M39 | |||||||||||
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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