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ANSI B 18.21

Regular Helical Spring Lock Washers

ASME/ANSI B 18.21.1 (T2) - 1983 弹簧垫圈 - 标准型 [Table 2]

See all versions and complete specifications: Regular Helical Spring Lock Washers — Full Specification Page

Dimensional Specifications — ANSI B 18.21 (mm)

Size	P	k_max	s_max	s_min	k_nominal
2#	0.107	0.040	0.101	0.195	0.025
3#	0.133	0.047	0.127	0.236	0.031
4#	0.174	0.055	0.167	0.293	0.040
5#	0.227	0.070	0.220	0.377	0.056
6#	0.326	0.125	0.317	0.586	0.078
8#	0.455	0.156	0.443	0.779	0.109
10#	0.582

Related Standards

GB /T 93 - 1987— Single Coil Spring Lock Washers, Normal Type GB 93 - 1976— Single Coil Spring Lock Washers, Normal Type GB /T 859 - 2025— Single Coil Spring Lock Washers - Light Type GB 9074.26 - 1988— Single Coil Spring Lock Washer for Assembly GB /T 7244 - 1987— Single Coil Spring Lock Washers Heavy Type GB /T 859 - 1987— Single Coil Spring Lock Washers, Light Type DIN 127 (B) - 1987— Spring Lock Washers - Type B, with Square Ends DIN 7980 - 1987— Spring Lock Washers with Square Ends for Cheese Head Screws

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