GB/T 3227-2000
Assembly tools for screws and nuts-Driving squares for power socket tools

Be replaced

Standard No.

GB/T 3227-2000

Language

Chinese

Release Date

2000

Published By

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

Replace By

GB/T 3227-2008

Lastest

GB/T 3227-2018

Scope

This standard specifies the type, size and marking of the transmission square head and the transmission square hole of the assembly tool for bolts and nuts. 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 3227-2000 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