100pcs M3 Knurled Brass Heat-Set Threaded Inserts - High Temperature Resistant Embedment Nuts for 3D Printers, CNC Machines & DIY Projects - Perfect for Plastic Parts Assembly & Model Making

Features- Color: Golden.- Material: Copper.- Size: 0.57 x 0.46 x 0.46 cm.- Used on injection moulding for tightly fixing.- No need to counterbore or countersink the boss hole because the insert has guide pilot.- All nuts are made of high quality brass, which has high hardness, no deformation, durable and reliable for long use.- 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.- Can be installed by ultrasonic or heat in tapered bore wire, or molded in during injection.Packing list100 x embedment nut

- Size 0.57 x 0.46 x 0.46 cm.

- Used on injection moulding for tightly fixing. No need to counterbore or countersink the boss hole because the insert has guide pilot.

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

- 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.

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