FESTA diamond ring crown 30mm M14
- professional diamond drill bit with M14 thread - for angle grinders
- for "dry" precise and fast drilling in stone, paving, tiles, granite, marble and other extremely hard materials not only in construction
- < span style="color: black"> diamond layer height 10mm, long life
- without the need to use any auxiliary tool, you circle the exact hole at the desired location
- recommended work procedure - screw the crown directly onto the thread of the angle grinder head, tighten firmly, start to circle the desired hole at an angle of 45°. The crown and the speed of the sander will immediately ensure the attachment in the desired place, slowly straighten the direction of the circle to a vertical position with evenly created pressure. Smaller diameters of 6 - 14 mm are for drilling into hard pavements. COOL between individual drills - just immerse in a glass of water or let it cool in the air during rotation!