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QC /T 878 - 2011

Hexalobular Socket Pan Head Tapping Screws for Plastic

QC /T 878 - 2011 塑料用内六角花形盘头自攻螺钉

See all versions and complete specifications: Hexalobular Socket Pan Head Tapping Screws for Plastic — Full Specification Page

Dimensional Specifications — QC /T 878 - 2011 (mm)

Size	P	k_max	k_min	s_max	s_min	ds_max	k_nominal	ds_nominal
NST 3	7	15	3.35	6.64	2.6	1.14	2.35	1.4
NST 4	12	30	5.6	11.57	4.6	2.02	4.3	2.42
NST 3.5	9.5	25	4.5	9.14	3.7	1.65	3.4	2.03

Related Standards

GB /T 2670.1 - 2017— Hexalobular Socket Pan Head Tapping Screws GB /T 2670.2 - 2017— Hexalobular Socket Countersunk Head Tapping Screws GB /T 2670.3 - 2017— Hexalobular Socket Raised Countersunk(Oval) Head Tapping Screws GB /T 2670.1 - 2004— Hex Lobular Socket Pan Head Tapping Screws GB /T 2670.2 - 2004— Hexalobular Socket Countersunk Head Tapping Screws GB /T 2670.3 - 2004— Hexalobular Socket Raised Countersunk(Oval) Head Tapping Screws DIN 34819 - 2008— Hexalobular Socket Raised Head Tapping Screws with Collar ISO 14585 - 2011— Hexalobular Socket Pan Head Tapping Screws

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