Plain Washers, Chamfered, Hardened and Tempered for High-Strength Structural Bolting
ISO 7416 - 1984 淬硬和回火的倒角平垫圈 用于高强度结构栓接
See all versions and complete specifications: Plain Washers, Chamfered, Hardened and Tempered for High-Strength Structural Bolting — Full Specification Page
| Standard Body | Standard Number |
|---|---|
| GB | GB /T 18230.5 |
| ISO | ISO 7416 |
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| M12 | 17 | 3.4 | 4.6 | 17.27 | 31.4 | 1.2 | 1.6 | 33 | 1 |
| M16 | 23 | 3.4 | 4.6 | 23.33 | 40.4 | 1.6 | 2 | 42 | 1 |
| M20 | 28 |
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| 4.4 |
| 5.6 |
| 28.52 |
| 50.4 |
| 2 |
| 2.4 |
| 52 |
| 1 |
| (M22) | 37 | 4.4 | 5.6 | 37.62 | 64.1 | 2.4 | 2.8 | 66 | 1 |
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