GB/T 819.1-2016: Countersunk flat head screws with cross recess -- Part 1: Property class 4.8

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Scope

This Part of GB/T 819 specifies the type and dimension, technical conditions and
markings of Property Class 4.8 of countersunk flat head screws with cross recess.
This Part is applicable to the Type-H and Type-Z countersunk flat head screws with
cross recess for Thread Specification M1.6~M10, Property Class 4.8, Product Grade
A.

Basic Data

Standard ID	GB/T 819.1-2016 (GB/T819.1-2016)
Description (Translated English)	Countersunk flat head screws with cross recess -- Part 1: Property class 4.8
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J13
Classification of International Standard	21.060.10
Word Count Estimation	7,750
Date of Issue	2016-02-24
Date of Implementation	2016-06-01
Older Standard (superseded by this standard)	GB/T 819.1-2000
Quoted Standard	GB/T 90.1; GB/T 90.2; GB/T 193; GB/T 944.1; GB/T 1237; GB/T 3098.1; GB/T 3103.1; GB/T 5267.1; GB/T 5276; GB/T 5279; GB/T 5279.2; GB/T 5279.1; GB/T 9145; GB/T 16938
Adopted Standard	ISO 7046-1-2011, 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 size, technical conditions and marking of the countersunk head screws of type 4.8. This standard applies to the screw specifications for the M1.6 ~ M10, performance rating of 4.8, the product grade A grade H and Z-type cross-slot countersunk head screws.