Crown crown FESTA diamond 40mm 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 in the desired place
 - recommended work procedure - screw the crown directly onto the thread of the angle grinder head, tighten firmly, circle start the desired hole at an angle of 45 °, the crown and the speed of the grinder will immediately secure the attachment in the desired place, slowly straighten the direction of the rounding to a vertical position with evenly created pressure, smaller diameters of 6 - 14 cm are used when drilling into hard pavements, between individual holes, COOL - just immerse in a glass of water or let it cool in the air while rotating!
 - Instructional video < /ul>