ShineNow Threaded Heat-set Inserts Brass for Printed Plastic Parts M4 Short 50pcs

• Size M4 insert Short,Total 50pcs The insert Overall Length=4mm,OD6.3mm
• Tapered shape,easy to set in hole and stay put.
• Heat staking brass insert, good for threading 3D printing parts and other plastic parts such as PLA,PETG,ABS,PPS,PP etc., they can firmly secure two different parts together.
• Made from quality brass material,good corrosion resistance and heat conduction
• Deep knurls and ridges make it hard to pull out

These threaded brass heat set inserts are very helpful when you need to add threads to plastic molds or 3D printed parts, these inserts featured a tapered end which made it much easier to insert it into the plastic parts, just heating up your soldering iron at around 392℉（200 ℃）,wait for a few seconds till the plastic flow around the insert then push it in with a little pressure, press it for a few seconds then it is done.