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Q 258

Hexagon Lobular Socket Countersunk Head Screws

Q 258 内六角花形沉头螺钉

See all versions and complete specifications: Hexagon Lobular Socket Countersunk Head Screws — Full Specification Page

Dimensional Specifications — Q 258 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M6	1.25	2.5	2.1	15.4	4.65	38	17.3	6.75	2.5	15.8	T40
M8	1.75	3.5	3.02	21.5	6	48	24	11.35	3.5	22	T55
M10	2	4	3.62	28.5	8	48	32	13.45	4.1	29	T60

Related Standards

GB /T 2673.2 - 2020— Hexalobular Socket High Countersunk Head Screws GB /T 2673.1 - 2018— Hexalobular Socket Countersunk Flat Head Screws GB /T 2673 - 2007— Hexalobular Lobular Socket Countersunk Head Screws GB 2673 - 1986— Hexagon Lobular Socket Countersunk Head Screws ISO 14581 - 2022— Hexalobular Socket Countersunk Flat Head Screws (common head style) with Reduced Loadability ISO 14581 - 2013— Fasteners — Hexalobular Socket Countersunk Flat Head Screws ISO 14582 - 2013— Hexalobular Socket Countersunk Head Screws, High Head NF E 25-107 - 2007— Screws with Six Lobes Recessed Countersunk Head - Symbol FX

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