Feature
●5 pieces/set diameter 6/8/10/12/14 mm vacuum brazed diamond drill bits with hex shank
●Diameter: 6/8/10/12/14 mm; diamond length: 10 mm; 6 mm: total length: 68 mm; 8 - 12 mm: total length: 80 mm; connection: hex shank; maximum drilling depth: 30 mm
●Wax inside for cooling, dry drilling without water for granite marble, masonry, concrete tiles, ceramic
●When drilling, the wax melts to lubricate and cool the drilling surface
●By applying excessive pressure, the drill does not drill faster, but excessive heat is generated and then reduces efficiency and service life
Description