100pcs M3 M3*5.7-OD4.6 Thread Knurled Brass Threaded Heat Set Heat Resistant Insert Embedment Nut for 3D Printer Accessories

100pcs M3 M3*5.7-OD4.6 Thread Knurled Brass Threaded Heat Set Heat Resistant Insert Embedment Nut for 3D PrinterFeatures- Color: Golden.- Material: Copper.- Size: 0.57 x 0.46 x 0.46 cm.Packing list100 x embedment nutModel Number : M3*5.7*4.6 MMDIY Supplies : MetalworkingMaterial : CopperNote1. Due to manual measurement, please allow for errors, please make sure you don't mind before ordering.2. Due to the difference of different monitors, the picture may not reflect the actual colour of the item.

• Used on injection moulding for tightly fixing.
• No need to counterbore or countersink the boss hole because the insert has guide.
• All nuts are made of high quality brass, which has high hardness, no deformation
• 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.