Knurled Insert Nuts M3 x 3mm(L) x 4mm(OD) Female Thread Brass Embedment Assortment Kit 50 Pcs

- These Knurl Thread Insert Nut can be widely used on the injection moulding for tightly fixing. - Can be installed by ultrasonic or heat into blind hole or molded in during injection. - No need to counterbore or countersink the boss hole since the insert has guide pilot. - Made of brass material good thermal conductivity and heat resistance Specification: Material: Brass Thread Size: M3x0.5mm Total Length: 3mm / 0.12 Outer Diameter（+0.5/-0mm）: 4mm / 0.16 Package Content: 50(+/-2%) x Knurl Thread Inserts Nuts