GB/T 3098.13-1996: Mechanical properties of fasteners. Torsional test and minimum torques for bolts and screws with nominal diameters from 1mm to 10mm

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Scope

This standard specifies the torque test and breaking torque values of bolts and
screws with a nominal diameter of 1 ~ 10 mm and a performance level of 8.8 ~
12.9 (GB 3098.1).
This standard applies to bolts and screws whose thread size is smaller than M3
and the minimum tensile load and guaranteed load are not specified in GB
3098.1, as well as the bolts and screws with a nominal diameter of 3 ~ 10 mm
whose length is too short to carry out the tensile test.
The breaking torque does not apply to hexagon socket set screws.

Basic Data

Standard ID	GB/T 3098.13-1996 (GB/T3098.13-1996)
Description (Translated English)	Mechanical properties of fasteners. Torsional test and minimum torques for bolts and screws with nominal diameters from 1mm to 10mm
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J13
Classification of International Standard	21.060.10
Word Count Estimation	5,535
Date of Issue	12/18/1996
Date of Implementation	7/1/1997
Quoted Standard	GB 3098.1-1982,
Adopted Standard	ISO 898-7-1992, IDT
Summary	This standard specifies the nominal diameter of 1 ~ 10mm, performance levels from 8. 8 to 12. 9 (GB 3098. 1) bolts and screws torque test and destruction torque values. This standard applies to the thread size is less than the M3, not specified in GB 3098. 1 minimum tensile load and proof load of bolts and screws; and nominal diameter 3 ~ 10mm, but the length is too short and can not be implemented tensile testing of bolts and screws. Torque does not apply to damage Hexagon set screws.