hey guys.

They both say for fiberglass PCB and carbon but whats the best?

High helix or the raspy type?

Here are the links

Rasp

PCB Carbide Router CNC RASP DIAMOND 3.175mm NEW x10 | eBay

High helix

pcb drill CNC Carbide 3.1mm Zero Hits copper aluminium carbon fibre UK freepost | eBay


If you know of any better within this price range and within the UK please let me know