Bondtech M3 Thread Insert
Thread insert for applications when a metal thread is needed with plastic parts. Sold in units of 1.
Insert Length: 5.2mm
Recommended hole diameter: 4mm
To attach the thread in plastic, a hole is required in the correct size for the selected insert.
Insert the thread insert into plastic with heat. The easiest is to make a special tip for a soldering iron and use it to heat up and fit the insert into the plastic.