GB/T 24425.2-2009
General type wire thread inserts for blind hole (English Version)

Standard No.

GB/T 24425.2-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

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

Latest

GB/T 24425.2-2009

Scope

This part of GB/T 24425 specifies the wire thread inserts for ordinary blind holes with a coarse thread series symmetrical profile with a nominal diameter of 3 mm to 39 mm and a pitch of 0.5 mm to 4 mm. The wire thread insert specified in this part is screwed into the internal thread for 6H specified in GB/T 24425.5, and the tolerance zone of the formed internal thread is 6H (GB/T 197). The wire thread insert specified in this part is suitable for raising low Strength material body (such as: aluminum alloy, magnesium alloy, copper alloy, cast iron and non-metallic) the strength of the screw hole, improve the fatigue strength of the screw, and repair the damaged screw hole.

GB/T 24425.2-2009 Referenced Document

• GB/T 1237-2000 Designation system for fasteners
• GB/T 197-2003 General purpose metric screw threads--Tolerances
• GB/T 24425.5-2009 Internal thread for wire thread inserts
• GB/T 24425.6-2009 Specification for wire thread inserts

GB/T 24425.2-2009 history

• 2009 GB/T 24425.2-2009 General type wire thread inserts for blind hole

GB/T 24425.2-2009 -All Parts