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CNS 4649 - 1978

Hardened Plain Washers

CNS 4649 - 1978 硬化平垫圈

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Dimensional Specifications — CNS 4649 - 1978 (mm)

Size	P	s_max	s_min	k_nominal
13	68	10	226	M30
6.4	23	4	11.3	M8
8.4	35	5	32.5	M12
10.5	50	6	76	M20

Related Standards

GB /T 1231 (washer) - 2024— High Strength Plain Washers for Steel Structural GB /T 3632 (H) - 2008— Torshear Type Plain Washer for Steel Structures GB /T 1230 - 2006— High Strength Plain Washers for Steel Structural GB /T 18230.5 - 2000— Plain Washers for High-strength Structural Bolting Hardened and Tempered GB /T 3632 (W) - 1995— Torshear Type Plain Washer for Steel Structures GB /T 1230 - 1991— High Strength Plain Washers for Steel Structures GB /T 32076.11 - 2024— High-strength Structural Bolting Assemblies for Preloading Part 11: Load Indicating Washer GB /T 32076.11 (HN) - 2024— High-strength Structural Bolting Assemblies for Preloading Part 11: Nut Face Washers (HN)

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