Plain Washers for Tapping Screw and Washer Assemblies - Type N
GB /T 97.5 (N) - 2002 N型 平垫圈 用于自攻螺钉和垫圈组合件
See all versions and complete specifications: Plain Washers for Tapping Screw and Washer Assemblies - Type N — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 97.5(N) |
| DIN | DIN EN ISO 10669(N) |
| ISO | ISO 10669(N) |
| Size | P | k_max | k_min | s_max | s_min | ds_max | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|
| ST2.2 | 2.5 | 1 | 1.06 | 2.6 | 7 | 0.264 | 6.64 | 0.94 |
| ST2.9 | 3.55 | 1 | 1.06 | 3.67 | 9 | 0.422 | 8.64 | 0.94 |
| ST3.5 | 4.7 | 1.6 | 1.68 | 4.82 | 12 |
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| 1.2 |
| 11.57 |
| 1.52 |
| ST4.2 | 7.15 | 1.6 | 1.68 | 7.3 | 16 | 2.02 | 15.57 | 1.52 |
| ST4.8 | 8.8 | 2 | 2.09 | 8.95 | 20 | 3.98 | 19.48 | 1.91 |
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