Description Used on moulding for tightly fixing. No need to counterbore or countersink the hole because the insert has guide pilot. All nuts are made of high quality brass, which has high hardness, no deformation, 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 . Colour: gold Material: brass Size: M3 x 5.7 x 4.6mm Package Contents: 120 x embedment nut Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.