Presch tile drill bit Set 3 piece ⌀ 6mm, 8mm, 10mm bits specifically designed for hard tiles, ceramics, glass, and porcelain Ceramic bit, including box

Highly Resilient - The tile drill bits are very hard and have been developed to drill materials like porcelain with a hardness of up to Mohs/Ritz 9. Made in Austria - The tile drill bit set is manufactured in Austria and represents high quality and precision. Use at a low speed of 200 revolutions per minute. Precise Drilling - Thanks to the special tip of the tile drill bit, you can set it accurately and perform clean drillings without any damage. Drilling Depth Orientation - The tile drill bit has an orange stripe that indicates how deep you should drill when going through tiles. Once this point is reached, you should use a concrete drill bit. Compatible Shank - The drill bits fit into all common cordless screwdrivers and drilling machines and can be used as both porcelain and ceramic drill bits.