TOMMARS Diamond Drill Bits Set 5 Piece Diamond Hole Saw for Tile Ceramic Marble Granite Ceramic Porcelain 1/4, 5/16, 3/8, 1/2 inch
- Tech information: Diameter 1/4 inch(6mm), 5/16inch (8mm), 3/8inch (10mm) & 1/2 inch (12mm).
- The tile drill bit set is equipped with a 1/4 inch hexagonal shank and is therefore compatible with all common drills & cordless screwdrivers..
- Diamond Drill Bit integrated with wax lubricant inside which melts while dry drilling and cools the cutting surface. This allows for longer drilling without much wear on larger projects..
- Diamond core drill bit developed to drill in extremely hard materials such as tile, ceramic, marble, granite, ceramic, porcelain, etc..
- Attention: Begin drilling approximately at a 45° ( between the hole saw and the working surface ) angle and only moderate pressure is good for the service life of the dry core bit..