You can get bits through KUUsport and Wintersteiger that have a shoulder on them. Using these prevents worries of drilling through the ski and makes a nice countersink. They are 3.5 and 4.1 mm in diameter and 7-9.5 mm in length. Length is determined by core thickness and diameter is determined using...

I have been a professional ski technician for 8 years now, and I would like to share my knowledge/opinions on these subjects. Different structures in the base material can be achieved using stone grinding, depending on how the stone has been dressed (cut with a diamond). The structure is there to ch...