uxcell Knurled Insert Nuts - 80Pcs M3 x 4mm Length x 5.4mm OD Female Thread Brass Threaded Insert Embedment Nut for 3D Printer

Description

Size Name:M3 x 4mm(L) x 5.4mm(OD) 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. Specification:Material: BrassThread Size: M3Pitch: 0.5mmLength: 4mm / 0.16"Outter Diameter: 5.4mm / 0.21"Main Color: Gold TonePackage Content: 80(+/-2%) x Knurl Thread Inserts