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ASME B 18.2

Compressible Washer-Type Direct Tension Indicators (ASTM F959/F959M)

ASME B 18.2.6 - 2019 压紧垫圈指示器（DTI垫圈）(ASTM F959/F959M)

See all versions and complete specifications: Compressible Washer-Type Direct Tension Indicators (ASTM F959/F959M) — Full Specification Page

Dimensional Specifications — ASME B 18.2 (mm)

Size	P	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
1	1.568	0.280	2.937	1.577	2.138	2.937	3.250	0.158	3.000
1/2	0.651	0.220	1.281	0.658	0.956	1.281	1.625	0.126	1.375
3/4	1.174	0.280	2.187	1.183	1.631	2.187	2.500	0.158	2.250
5/8	0.914	0.260	1.718	0.921	1.294	1.718	2.000	0.142	1.875

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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