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BS 3410

Large Bright Washers for Automobile Purposes for UNC, UNF,BSW and BSF Fasreners [Table 6]

BS 3410 (-6) - 1961 汽车用精制大垫圈，适用于UNC、UNF、BSW和BSF [Table 6]

See all versions and complete specifications: Large Bright Washers for Automobile Purposes for UNC, UNF,BSW and BSF Fasreners [Table 6] — Full Specification Page

Dimensional Specifications — BS 3410 (mm)

Size	P	k_max	s_max	s_min	k_nominal
1/2	1.031	0.192	1.026	2.75	2.73
1/4	0.333	0.08	0.328	1.25	1.24
3/8	0.593	0.128	0.588	1.75	1.74
5/16	0.458	0.104	0.453	1.5	1.49
7/16	0.781	0.144	0.776	2.25	2.24

Related Standards

GB 96 - 1985— Plain Washers-Large Series - Product Grade A and C GB /T 5287 - 2002— Plain Washers - Extra Large Serles - Product Grade C GB /T 96.1 - 2002— Plain Washers - Large Series - Product Grade A GB /T 96.2 - 2002— Plain Washers - Large Series - Product Grade C GB /T 97.4 (L) - 2002— Plain Washers (Large) for Combination Screw GB /T 5287 - 1985— Plain Washers - Extra Large Series - Product Grade C DIN 440 (R) - 1990— Extra Large Washers with Round Hole for use in Timber Constructions DIN 9021 - 1990— Large Plain Washers - Product Grade A（dc ≈ 3d）

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