GB/T 70.4-2015: Hexagon socket button head screws with collar

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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 collar for Thread Specification
M3~M16, Property Class 08.8, 010.9, Product Grade A, and the carrying capacity is
reduced as per Table 3.
This Part is applicable to the hexagon socket button head screws with collar that are
screwed into the internal threads of the machine by using an Allen key.

Basic Data

Standard ID	GB/T 70.4-2015 (GB/T70.4-2015)
Description (Translated English)	Hexagon socket button head screws with collar
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J13
Classification of International Standard	21.060.10
Word Count Estimation	11,115
Date of Issue	2015-12-10
Date of Implementation	2017-01-01
Quoted Standard	GB/T 2; GB/T 70.5; GB/T 90.1; GB/T 90.2; GB/T 193; GB/T 1237; GB/T 3098.1; GB/T 3103.1; GB/T 5267.1; GB/T 5267.2; GB/T 5276; GB/T 5779.1; GB/T 9145; GB/T 16938
Adopted Standard	ISO 7380-2-2011, MOD
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
Summary	This standard specifies the thread size is M3 ~ M16, property class 08.8, 010.9 grade rating of A-level product, as shown in Table 3 to reduce the carrying capacity of flat round hex flange screw type size, technical requirements and marking. This standard applies to the use of hex wrench in the man-machine body threaded flange hex button head screws.