M3 x 5mm(L) x 4mm(OD) Knurled Threaded Insert Embedment Nuts 30 Pcs - M3 x 5mm(L) x 4mm(OD),30 pcs
$7.99
Made of brass material, good thermal conductivity and heat resistance. Widely Used On the Injection for Tightly Fixing. Can be installed by ultrasonic or heat into thread tapered hole, or in during injection.