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ASME B 18.2

Hex Flange Screws [Table 8]（A394）

ASME B 18.2.1 (T8) - 2012 六角法兰螺钉 [Table 8]（A394）

See all versions and complete specifications: Hex Flange Screws [Table 8]（A394） — Full Specification Page

Dimensional Specifications — ASME B 18.2 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
1/4	18	0.32	0.05	0.5	0.489	24	0.3125	0.548	0.68	0.3065	0.577
3/8	12	0.57	0.09	0.8125	0.798	18	0.5625	0.895	1.19	0.5545	0.938
5/16	14	0.46	0.07	0.625	0.612	20	0.4375	0.685	0.93	0.4305	0.722
7/16	10	0.73	0.11	1.125	1.1

Related Standards

GB 5787 - 1986— Hexagon Flange Bolts - Product Grade B GB /T 5788 - 1986— Hexagon Flange Bolts - Reduced Shank - Product Grade B GB /T 16674.3 - 2023— Hexagon Bolts with Flange - Small Series - Product Grade A with Driving Feature of Product Grade B IFI 111 - 2002— Hexagon Flange Bolts IFI 111 - 1986— Hexagon Flange Bolts IFI 513 - 1982— Metric Hex Flange Head Machine Screws IFI 536 - 1982— Metric Hex Flange Screws IFI 538 - 1982— Metric Heavy Hex Flange Screws

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