GB/T 1957-2006: Tolerances and general features for plain limit gauges

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Scope

This Standard specifies the terms and definitions, tolerance, requirements, inspection,
marks and package of plain limit gauges.
This Standard applies to plain limit gauges of which the basic dimensions of holes and
shafts are up to 500mm, and tolerance grades are IT6 to IT16.
The plain limit gauges (hereinafter referred to as gauges) defined in this Standard apply to
inspection of the basic dimensions of holes and shafts specified in GB/T 1800.1-1997 ~
GB/T 1800.4-1999 Limits and Fits.

Basic Data

Standard ID	GB/T 1957-2006 (GB/T1957-2006)
Description (Translated English)	Tolerances and general features for plain limit gauges
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J42
Classification of International Standard	17.040.30
Word Count Estimation	12,155
Date of Issue	2006-02-05
Date of Implementation	2006-08-01
Older Standard (superseded by this standard)	GB/T 1957-1981
Quoted Standard	GB/T 1800.1-1997; GB/T 1800.2-1998; GB/T 1800.3-1998; GB/T 1800.4-1999
Regulation (derived from)	China National Standard Approval Announcement 2006 No.3 (Total No.90)
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 smooth limit gauge terms and definitions, tolerance, requirements, inspection, logo and packaging. This standard applies to the basic dimensions of the hole and shaft 500mm, tolerance class IT16 IT6 grade to grade smooth limit gauge. This standard specifies the smooth limit gauge (hereinafter referred to as " gauge ") applies to test GB/T 1800. 1-1997 to GB/T 1800. 4-1999 " limits and fits" the provisions of the hole and shaft basic dimensions.