GB/T 2670.2-2017: Hexalobular socket countersunk head tapping screws

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Scope

This Part of GB/T 2670 specifies the type and dimension, technical conditions, and
marking of hexalobular socket countersunk head tapping screws.
This Part is applicable to the hexalobular socket countersunk head tapping screws with
Thread Specification of ST 2.9 ~ ST 6.3, Product Grade A.

Basic Data

Standard ID	GB/T 2670.2-2017 (GB/T2670.2-2017)
Description (Translated English)	Hexalobular socket countersunk head tapping screws
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J13
Classification of International Standard	21.060.10
Word Count Estimation	6,685
Date of Issue	2017-07-12
Date of Implementation	2018-02-01
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China