YHJIC 100Pcs M3 Knurled Brass Heat-Set Inserts - High Temperature Resistant Threaded Embedment Nuts for 3D Printing, CNC, and DIY Projects - Perfect for PLA, ABS, PETG Filaments

YHJIC colour: goldMaterial: brasssize: 0.57 x 0.46 x 0.46 cmPackage Contents:100 x embedment nutOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

Easy to install: From the moment that the insert has a valve conduit, there is no need to back-drill and counter-sink the hole.

Used on injection moulding for tightly fixing.

No need to counterbore or countersink the boss hole because the insert has guide .

All nuts are made of high quality brass, which has high hardness, no deformation, durable and reliable for long use.

Can be installed by ultrasonic or heat in tapered bore wire, or molded in during injection.