In the 4+ years using my Pro4824, I've only cut hdpe 1 time to make a dust shoe. I used a O-Flute Up Cut Spiral Bit on the project with no problems. I'm preparing to cut 10 parts from 3/4" thick Recycled Black HDPE for a Festool type MFT that I built. In research I found that some owners...

Made a cup holder using Marine Grade HDPE all so known as Starboard. The material is mostly used for boat and marine applications. I'm using a 2550 CNC Router.