GB/T 18230.6-2000: Hexagon nuts for structural bolting, style 1, hot-dip galvanized (oversize tapped) - Product grades A and B - Property classes 5, 6 and 8

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Scope

This Standard specifies the hexagon nuts for structural bolting - thread specification of
M10 ~ M36, style 1, hot-dip galvanized according to GB/T 13912 or sherardized
according to GB/T 5067, oversize tapped according to 6AX, property classes of 5, 6
and 8, product grade of A used for d≤ M16, and product grade of B used for d >M16.
If other technical requirements are required, it shall be selected from current
standards (such as GB/T 196, GB/T 197, GB/T 3098.2, and GB/T 3103.1).

Basic Data

Standard ID	GB/T 18230.6-2000 (GB/T18230.6-2000)
Description (Translated English)	Hexagon nuts for structural bolting, style 1, hot-dip galvanized (oversize tapped) - Product grades A and B - Property classes 5, 6 and 8
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J13
Classification of International Standard	21.060.10; 21.060.20; 21.060.30
Word Count Estimation	8,822
Date of Issue	2000-10-17
Date of Implementation	2001-05-01
Adopted Standard	ISO 7413-1984; MOD; ISO 8673-1999; NEQ; ISO 965-5-1998; NEQ
Issuing agency(ies)	State Quality and Technical Supervision
Summary	This standard specifies: thread size of M10 ~ M36, according to GB/T 13912 hot-dip galvanized or JB/T 5067 infiltration of zinc powder and then 6AX oversize tapped, the performance rating of 5, 6 and 8, the product class A to D �� M16, Class B for D> M16-bolted structural type a hex nut.