GB/T 28703-2012 Active National standards

GB/T 28703-2012 Test methods for parallel screw threads

GB/T 28703-2012 Test methods for parallel screw threads

Publish Date: 2012-09-03 Implement Date: 2013-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 28703-2012

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods

ICS Name: \nThread Composite

Publish Date: 2012-09-03

Implement Date: 2013-03-01

Pages: 59 pages

Scope

This standard specifies the testing methods for cylindrical thread parameters (pitch, lead, flank angle, major diameter, minor diameter, roundness of the cylindrical major diameter, taper of the cylindrical major diameter, radius of the tooth base arc, and runout of the top diameter relative to the major diameter).
This standard is applicable to the testing of cylindrical thread parameters.

Development Information

Word Count: 110 Thousand words Pages: 59 pages

Referenced Standards

GB/T 3934-2003 Specification of gauges for general purpose screw threads GB/T 8124-2004 Tolerances and general features of gauges for metric trapezoidal screw threads GB/T 10922-2006 Gauges for pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads GB/T 14791-1993 The terms of screw threads GB/T 14791-2013 Screw threads—Vocabulary JJF 1001-1998 General Terms in Metrology and Their Definitions JJF 1001-2011 General Terms in Metrology and Their Definitions JJF 1059.1-2012 Evaluation and Expression of Uncertainty in Measurement JJF 1059.2-2012 Monte Carlo Method for Evaluation of Measurement Uncertainty JB/T 10865-2008 Unified thread gauge JB/T 10865-2008 GB/T 3934-2025 Specification of gauges for general purpose screw threads GB/T 10922-2025 Gauges for pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads

Related Standards

GB/T 18685-2002 Replaced

GB/T 18685-2002 The bar diameters for rolling general purpose metric screw threads

Publish Date: 2002-03-10

GB/T 14791-2013 Active

GB/T 14791-2013 Screw threads—Vocabulary

Publish Date: 2013-12-17

GB/T 32534-2016 Active

GB/T 32534-2016 Test methods for taper screw threads

Publish Date: 2016-02-24

GB/T 32535-2016 Active

GB/T 32535-2016 Runouts,undercuts and chamfers for pipe threads

Publish Date: 2016-02-24

GB/T 32537-2016 Active

GB/T 32537-2016 Runouts, undercuts and chamfers for trapezoidal and buttress threads

Publish Date: 2016-02-24

GB/T 18685-2017 Active

GB/T 18685-2017 The blank diameters for rolling general purpose metric screw threads

Publish Date: 2017-09-29