GB/T 889.2-2016: Prevailing torque type hexagon nuts (with non-metallic insert), style1 -- Fine pitch thread

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Scope

This Part of GB/T 889 specifies type sizes, technical conditions and marks of
prevailing torque type hexagon nuts (with non-metallic insert), style 1 - fine pitch
thread.
This Standard is applicable to prevailing torque type hexagon nuts (with non-
metallic insert), style 1 - fine pitch thread of which thread nominal diameters are
D = 8 mm ~ 36 mm, performance grades are 6, 8 and 10, the product grades
are A and B. Grade A is used for nuts of which D ≤ 16 mm; Grade B is used for
nuts of which D > 16 mm.
NOTE 1 This kind of nut is equivalent to GB/T 6171 plus the effective torque part.
NOTE 2 Because the fine tooth thread nut height is insufficient, the nut thread trip
probability is higher, therefore, it may choose GB/T 6182.

Basic Data

Standard ID	GB/T 889.2-2016 (GB/T889.2-2016)
Description (Translated English)	Prevailing torque type hexagon nuts (with non-metallic insert), style1 -- Fine pitch thread
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J13
Classification of International Standard	21.060.20
Word Count Estimation	7,760
Date of Issue	2016-02-24
Date of Implementation	2016-06-01
Older Standard (superseded by this standard)	GB/T 889.2-2000
Quoted Standard	GB/T 90.1; GB/T 90.2; GB/T 193; GB/T 1237; GB/T 3098.2; GB/T 3098.9; GB/T 3103.1; GB/T 5267.1; GB/T 5267.2; GB/T 5276; GB/T 5779.2; GB/T 6171; GB/T 6182; GB/T 9145; GB/T 16938
Adopted Standard	ISO 10512-2012, 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 hexagon lock nuts for fine-pitch type 1 non-metallic inserts. This standard applies to type 1 non-metallic hexagon lock nuts with nominal thread diameters D = 8 mm to 36 mm, fine thread, performance class 6, class 8 and class 10, class A and class B. Class A for nuts with D �� 16 mm; Class B for nuts with D> 16 mm.