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ANSI B 18.21

Heavy Internal Tooth-Lock Washers (SAE J403, J405, ASTM B591)

ASME/ANSI B 18.21.1 - 2009 内齿锁紧垫圈 - 重型 (SAE J403, J405, ASTM B591)

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

Dimensional Specifications — ANSI B 18.21 (mm)

Size	P	k_max	k_min	s_max	s_min	k_nominal
1/2	0.927	0.084	0.075	0.894	1.447	1.4
1/4	0.332	0.05	0.04	0.32	0.607	0.59
3/8	0.596	0.067	0.055	0.576	1.034	0.99
5/16	0.464	0.067	0.05	0.448	0.858	0.8
7/16	0.795	0.084	0.07	0.768	1.265	1.24

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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