AXIS R/C M6 THREAD INSERT KIT AX3012This thread insert kit from Axis r/c allows you to quickly repair and upgrade threaded holes in your plastic components. With this kit, simply drill out the damaged hole, and screw the brass insert in with the supplied tool. These brass inserts are specially designed for thermoplastics and have a much higher holding power than the original screw. Included in each kit is a specially ground drill, installation tool, 12 brass inserts and full instruction sheet. This thread insert refill pack from Axis r/c contains 12 brass inserts specially designed for thermoplastics.