GB/T 70.2-2015: Hexagon socket button head screws

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Scope

This Part of GB/T 70 specifies the type and dimension, technical conditions and
markings of hexagon socket button head screws with Thread Specification M3~M16,
Property Class 08.8, 010.9, 012.9, 012.9, A2-70, A2-80, A3-70, A3-80, A4-70, A4-80,
A5-70 and A5-80, Product Grade A, and the carrying capacity is reduced as per Table
3.
This Part is applicable to the hexagon socket button head screws that are screwed into
the internal threads of the machine by using an Allen key.

Basic Data

Standard ID	GB/T 70.2-2015 (GB/T70.2-2015)
Description (Translated English)	Hexagon socket button head screws
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J13
Classification of International Standard	21.060.10
Word Count Estimation	10,177
Date of Issue	2015-12-10
Date of Implementation	2017-01-01
Older Standard (superseded by this standard)	GB/T 70.2-2008
Regulation (derived from)	National Standard Announcement 2015 No.38
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