GB/T 3227-2008
Assembly tools for screws and nuts.Driving squares for power socket tools (English Version)

Standard No.

GB/T 3227-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

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

Status

Be replaced 2019-07

Replace By

GB/T 3227-2018

Latest

GB/T 3227-2018

Replace

GB/T 3227-2000

Scope

This standard specifies the type, size and marking of the driving square head and driving square hole of the motorized socket tool for bolt and nut assembly tools. This standard is applicable to the transmission squares of motorized socket tools for assembly tools used for bolts and nuts, namely transmission square heads and transmission square holes (hereinafter referred to as square heads and square holes).

GB/T 3227-2008 Referenced Document

• GB/T 1800.3-1998 Limits and fits--Bases--Part 3: Numerical values tables of standard toleranes and fundamental deviations
• GB/T 321-2005 Preferred numbers-Series of preferred numbers

GB/T 3227-2008 history

• 2018 GB/T 3227-2018 Assembly tools for screws and nuts—Driving squares for power socket tools
• 2008 GB/T 3227-2008 Assembly tools for screws and nuts.Driving squares for power socket tools
• 2000 GB/T 3227-2000 Assembly tools for screws and nuts-Driving squares for power socket tools