Medium Bright Washers for Automobie Purposes for Use with UNC, UNF, B.S.W. and B.S.F. Fasteners
BS 3410 (-5) - 1961 用于UNC、UNF、B.S.W.和B.S.F.紧固件的汽车用中等精制垫圈 [Table 5]
See all versions and complete specifications: Medium Bright Washers for Automobie Purposes for Use with UNC, UNF, B.S.W. and B.S.F. Fasteners — Full Specification Page
| Size | P | k_max | s_max | s_min | k_nominal |
|---|---|---|---|---|---|
| 1/2 | 1.031 | 0.192 | 1.026 | 2.375 | 2.355 |
| 1/4 | 0.333 | 0.072 | 0.328 | 0.875 | 0.87 |
| 3/8 | 0.593 | 0.116 | 0.588 | 1.375 | 1.365 |
| 5/16 | 0.458 | 0.092 | 0.453 | 1.125 | 1.115 |
| 7/16 | 0.781 | 0.144 | 0.776 | 1.875 | 1.865 |
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