Diamond hole drill bit for dry drilling of hard stone materials. High-quality and long-lasting coated diamond powder on the blade. Clean and fast drilling, leaves a precise cutting mark. Ideal for tiles, granite, pressed tiles or natural stone (e.g. marble). The cooling wax inside the blade reduces friction and extends the life of the product. M14 attachment, suitable for use in high-speed angle grinders. Attachment to the drill chuck is possible with the separately available Tamo M14-HEX diamond drill adapter.