GB/T 20325-2006
Hexagonal dienuts (English Version)

Standard No.

GB/T 20325-2006

Language

Chinese, Available in English version

Release Date

2006

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 20325-2006

Scope

This standard specifies the basic requirements for the type, size, marking examples and technical conditions of hexagonal dies. This standard applies to the processing of common threads (according to GB/T 192, GB/T 193, GB/T 196, GB/T 197, ISO inch thread (according to ISO 263), 55°C sealed threaded pipe (according to GB/T 7306.1～ 7306.2), 55°C non-sealed pipe threads (according to GB/T 7307) and hexagonal dies of other threads.

GB/T 20325-2006 Referenced Document

• GB/T 192 General purpose metric screw threads--Basic profile
• GB/T 193 General purpose metric screw threads--General plan
• GB/T 196 General purpose metric screw threads--Basic dimensions
• GB/T 197 General purpose metric screw threads—Tolerances*， 2018-03-15 Update
• GB/T 7306.1 Pipe threads with 55 degree thread angle where pressure-tight joints are made on the threads Part 1:Parallel internal and taper external threads

GB/T 20325-2006 history

• 2006 GB/T 20325-2006 Hexagonal dienuts