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Q 256

Cross Recessed Raised Countersunk Head Screws

Q 256 十字槽半沉头螺钉

See all versions and complete specifications: Cross Recessed Raised Countersunk Head Screws — Full Specification Page

Dimensional Specifications — Q 256 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
M3	0.7	2	1.75	8.40	8.04	1.4	38	1	9.5	9.4	2.7
M4	1	3	2.5	11.30	10.87	2	38	1.5	12	12.6	3.3
M5	1.5	4	3.8	18.30	17.78	3	38	2.5	19.5	20	5

Related Standards

GB /T 820 - 2015— Raised Countersunk Head Screws with Cross Recess GB /T 820 - 2000— Raised Countersunk Head Screws (Common Head Style) with Cross Recess GB /T 13806.1 (C) - 1992— Cross Recessed Raised Countersunk Head Screws for Fine Mechanics GB 820 - 1985— Cross Recessed Raised Countersunk Head Screws GB 974 - 1976— 120° Cross Recessed Raised Countersunk Screws DIN 966 - 1990— Cross Recessed Raised Countersunk Head Screws DIN 6929 (NE) - 2013— Raised Countersunk Head Screws ISO 7047 - 2011— Rasied Countersunk Head Screws(Common Head Style) ，Grade A

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