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IFI 111 - 2002

Hexagon Flange Bolts

IFI 111 - 2002 六角法兰面螺栓

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Dimensional Specifications — IFI 111 - 2002 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
1/4	18	0.875	0.32	0.5000	0.489	0.3125	0.3065	0.548	0.68	1/2	0.577
3/8	11	1.375	0.57	0.8125	0.798	0.5625	0.5545	0.895	1.19	13/16	0.938
5/16	14	1.125	0.46	0.6250	0.612	0.4375	0.4305	0.685	0.93	5/8	0.722
7/16	9	1.750	0.73	1.1250

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 - 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 DIN 6921 - 1983— Hexagon Flange Bolts

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