M3 x 12mm(L) x 4mm(OD) Brass Knurled Threaded Insert Embedment Nuts 100 Pcs

1.These Knurl Thread Insert Nut can be widely used on the injection moulding for tightly fixing.
2.Can be installed by ultrasonic or heat into blind hole, or molded in during injection.
3.No need to counterbore or countersink the boss hole since the insert has guide pilot.
4.Made of brass material, good thermal conductivity and heat resistance.