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BS 4320

Bright Washers - Large Diameter. Metric Series - Form C

BS 4320 (C) - 1968 公制 - 光面 - 大垫圈 - C型

See all versions and complete specifications: Bright Washers - Large Diameter. Metric Series - Form C — Full Specification Page

Dimensional Specifications — BS 4320 (mm)

Size	P	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M4	5.3	12.5	12.1	5.5	5.3	1.1	0.9	12.5	1.0
M5	8.4	21	20.5	8.7	8.4	1.8	1.4	21	1.6
M6	13	28	27.5	13.4	13.0	2.7	2.3	28	2.5
M8	17	34	33.2	17.4	17.0	3.3	2.7	34	3.0
M10

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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