Large Birght Washers for use with UNC, UNF, B.S.W. and B.S.F Fasteners [Table 4]
BS 3410 (-4) - 1961 适用于UNC、UNF、B.S.W.和B.S.F的精制大平垫圈 [Table 4]
See all versions and complete specifications: Large Birght Washers for use with UNC, UNF, B.S.W. and B.S.F Fasteners [Table 4] — Full Specification Page
| Size | P | k_max | k_min | s_max | s_min | k_nominal |
|---|---|---|---|---|---|---|
| 1/4 | 0.333 | 0.072 | 0.048 | 0.328 | 0.750 | 0.745 |
| 3/8 | 0.593 | 0.104 | 0.056 | 0.588 | 1.250 | 1.240 |
| 5/16 | 0.458 | 0.092 | 0.056 | 0.453 | 1.000 | 0.995 |
| 7/16 | 0.781 | 0.128 | 0.072 | 0.776 | 1.625 | 1.615 |
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