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Q 257

Hexalobular Socket Raised Countersunk Head Screws

Q 257B 内六角花形半沉头螺钉

See all versions and complete specifications: Hexalobular Socket Raised Countersunk Head Screws — Full Specification Page

Dimensional Specifications — Q 257 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M4	0.8	2	9.5	9.3	8.94	1.6	38	2.7	1.3	10.4	1.2
M5	1.25	3.2	16.5	15.8	15.37	2.5	38	4.65	2.0	17.3	2
M6	1.5	3.8	19.5	18.3	17.78	3	38	5	2.5	20	2.3

Related Standards

GB /T 2674 - 2017— Hexalobular Socket Raised Countersunk Head Screws GB /T 2674 - 2004— Hexalobular Socket Raised Countersunk Head Screws GB 2674 - 1986— Hexagon Lobular Socket Oval Countersunk Head Screws DIN 6929 (QE) - 2013— Hexalobular Socket Raised Countersunk Head Screws ISO 14584 - 2011— Hexalobular Socket Raised Countersunk Head Screws ISO 14584 - 2001— Hexalobular Socket Raised Countersunk Head Screws JIS B 1107 - 2018— Hexalobular Socket Raised Countersunk Head Screws JIS B 1107 - 2004— Hexalobular Socket Raised Countersunk Head Screws

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