GB/T 3390.2-1989
Driving square for hand operated socket wrenches (English Version)

Standard No.

GB/T 3390.2-1989

Language

Chinese, Available in English version

Release Date

1989

Published By

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

Status

Be replaced 2004-09

Replace By

GB/T 3390.2-2004

Latest

GB/T 3390.2-2013

Replace

GB 3390.2-1982

Scope

This standard specifies the basic dimensions, technical requirements and test methods of the power tenon and square hole of the manual socket wrench. This standard applies to the transmission square tenon and square hole of the manual socket wrench for installing and disassembling hexagonal bolts and nuts.

GB/T 3390.2-1989 history

• 2013 GB/T 3390.2-2013 Hand operated socket wrenches.Driving squares
• 2004 GB/T 3390.2-2004 Hand operated socket wrenches-Driving squares
• 1989 GB/T 3390.2-1989 Driving square for hand operated socket wrenches
• 0000 GB 3390.2-1982

GB/T 3390.2-1989 -All Parts