LEKOMESH Diamond Core Drill Bits - diamond and steel 9pcs

Size9pcs in total7 diamond core drill bits146mm5168mm3810mm4520mm125mm13835mm250mm1pc1025mm Finger Bit 1pc SDS Plus Adapter ApplicationDry drillingmilling for porcelain tile granite marble stone Masonry brick Wet drillingmilling can prolong the service life TechnologyThis tiling installation kit is made of high quality diamond and steel by vacuum brazed diamond technologyprovide very high efficiency drilling and milling faster durable and sturdy FeaturesFast and smooth drilling long lifetime less chippingRecommended RPM is 6000 Maximum RPM is 11000 Widely used in Angle Grinder If you want to use electric drill or other machine you can use SDS or HEXTriangle Shank Adapter StoragePortable suitcase included for easy carry and storage and protect of the diamond tools