Stoneware core bit M14 d.8mm

Core bit with 2.2 mm thickness, 10 mm height for dry drilling and with M14 connection to be used on the grinder: drilling without percussion, optimal speed 11,000 / 13,000 rpm.
This diamond crown is made with a special diamond positioned with a galvanic process under vacuum which guarantees the tool a high drilling speed and a long life.
For porcelain stoneware, ceramics in general and natural stones. Not suitable for glass. Use with angle grinders. For a higher yield, cool while drilling by repeatedly extracting and reinserting the tool into the hole. Start drilling at a 45 ° angle, then proceed with a circular motion. Attention: the no longer cutting tool is exhausted (not dressable) while maintaining the size and appearance like new.