5 PCs 5/16 Inch 8mm + 5 PCs 3/8 Inch 10mm Diamond Coated Drill Bit for Tile Marble Glass Ceramic Hole Saw Drill Core Bit
- [Package includes]10 Pieces of Dry Diamond Core Drill Bits Kit for drilling holes diameter of 5/16 inch(8mm) and 3/18 inch(10mm), Sufficient quantity to meet your needs
- [Apply to]Great for drilling clean holes to hard materials especially tiles, porcelain ground, granite ceramic glass mirror marble stone masonry brick, Note: not for wood
- [Dry Drilling Design]Diamond Drill Bit made with wax lubricant inside, which can melt while dry drilling and cool the cutting surface; Water can be used as additional cooling to prolong the life of the bit
- [Wide compatibility]Diamond coating enhances the drilling speed; Round Shank compatible with most machines such as Hand Drill, Angle Grinder, Bench Drill; Depth mark is also useful for precise project
