GB/T 68-2016: Slotted countersunk flat head screws

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Scope

This Standard specifies the type and dimension, technical conditions and marks of
slotted countersunk flat head screws.
This Standard is applicable to the slotted countersunk flat head screws with Thread
Specification M1.6~M10, Property Class 4.8, 5.8, A2-50, A2-70, CU2, CU3, and AL4,
and Product Grade A.

Basic Data

Standard ID	GB/T 68-2016 (GB/T68-2016)
Description (Translated English)	Slotted countersunk flat head screws
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J13
Classification of International Standard	21.060.10
Word Count Estimation	8,879
Date of Issue	2016-02-24
Date of Implementation	2016-06-01
Older Standard (superseded by this standard)	GB/T 68-2000
Quoted Standard	GB/T 90.1; GB/T 90.2; GB/T 193; GB/T 1237; GB/T 3098.1; GB/T 3098.6; GB/T 3098.10; GB/T 3103.1; GB/T 5267.1; GB/T 5267.2; GB/T 5267.4; GB/T 5276; GB/T 5279; GB/T 5779.1; GB/T 9145; GB/T 16938
Adopted Standard	ISO 2009-2011, MOD
Regulation (derived from)	National Standard Announcement No
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 type of slotted countersunk head screw size, technical conditions and markings. This standard is applicable to slotted countersunk screws with grade A of grades M1.6 to M10, performance classes 4.8, 5.8, A2-50, A2-70, CU2, CU3 and AL4.