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GB 2673 - 1986

Hexagon Lobular Socket Countersunk Head Screws

GB 2673 - 1986 内六角花形沉头螺钉

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

Equivalent & Cross-Reference Standards

Standard Body	Standard Number
GB	GB /T 2673.1
ISO	ISO 14581

Dimensional Specifications — GB 2673 - 1986 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M6	1.25	5	2.1	15.4	4.65	2.5	17.3	T40	2.5	15.8	2
M8	1.75	8.2	3.02	21.5	6	3.5	24	T55

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 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 Q 258— Hexagon Lobular Socket Countersunk Head Screws NF E 25-107 - 2007— Screws with Six Lobes Recessed Countersunk Head - Symbol FX

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