Cimco Diamond core bits concrete brick (hard) diameter 68

Diamond drill bits for dry and wet cutting, suitable for all commercially available diamond dry drilling machines (M 16 holder). Speed recommendation approx. 2000 rpm, design with sintered or lasered diamond studs. Diamond segments made of diamond grain bond (chrome bronze / cobalt bronze). The drill bits are equipped with an inclined slot for
cooling, the base body hardness is 38 HRC.Version with lasered diamond studs made of diamond grain bond (cobalt bronze), working length 90 mm.For roof tiles (medium hard), masonry stone and calcareous sandstone (soft / highly compacted / hard).Ø mm68