Bộ 6 mũi khoan thép vonfram 4 cạnh cắt kính Krachtige

100% Brand New and High Quality Use for Ceramic Tiles, Mirror and Glass . Once through the tile or mirror this drill bit will cope easily with any Masonry behind it. If using on Floor tiles, regularly lubricate the bit with water to keep it cool,and working to its best. Glass and tile drill bits provide smooth and accurate drilling in ceramic tiles, marble, china, mirrors and glass. Ideal for drilling fastner holes in bathroom tiles, or wall mirrors Blackening process for durable and longer life Spear pointed design reduces breakout. For use with drills that have a 3/8" or larger chucks. Material: Tungsten steel Size: 4mm / 5mm / 6mm / 8mm / 10mm / 12mm Hex Shank: 1/4" (6.35mm) NOTE Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!