- Joined
- Jan 31, 2013
- Posts
- 9,504
- First Name
- Terry
Just purchased some Robert Sorby pen jaws for my Supanova chuck and I have just drilled a 12mm hole and a 10.5mm hole through some 20mm Thuya burr. I was using ordinary metal twist bits with the lathe running at around 500 rpm and the holes have come out bang on centre at both ends of the 2 pieces of burr. At £24.95 I can certainly recommend these jaws for accurate drilling and there is no need to buy "fancy" drill bits as ordinary twist bits did the job brilliantly