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ASME B 18.21

Countersunk External Tooth-Lock Washers (SAE J403, J405, ASTM B591)

ASME B 18.21.1 - 2009 (R2016) 锥形锁紧垫圈 [table 9] (SAE J403, J405, ASTM B591)

See all versions and complete specifications: Countersunk External Tooth-Lock Washers (SAE J403, J405, ASTM B591) — Full Specification Page

Dimensional Specifications — ASME B 18.21 (mm)

Size	P	k_max	k_min	s_max	s_min	k_nominal	ds_nominal
4#	0.150	0.017	0.092	0.140	0.289	0.021	0.082
6#	0.205	0.020	0.105	0.195	0.354	0.025	0.088
8#	0.267	0.020	0.128	0.255	0.454	0.025	0.113
1/4	0.529	0.037	0.304	0.512	0.976	0.045	0.294
10#	0.333	0.023	0.192	0.318	0.599	0.028	0.165

Related Standards

GB 9074.27 - 1988— Serrated Lock Washer External Teeth for Assembly GB 9074.28 - 1988— Lountersunk External Toothed Lock Washer for Assembly GB /T 861.1 - 1987— Lock Washers Internal Teeth GB 861.2 - 1987— Serrated Lock Washers Internal Teeth GB 862.1 - 1987— Lock Washers External Teeth GB 862.2 - 1987— Serrated Lock Washers External Teeth GB 956.1 - 1987— Countersunk External Toothed Lock Washers GB 956.2 - 1987— Countersunk Serrated External Toothed Lock Washers

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