Dry Diamond Core Drill Bit,BRSCHNITT 4/5inch Diamond Finger milling bit Triangle Shank for Porcelain Tile Ceramic Stone Granite Marble

About this item

• Size --4/5"(20mm), diamond height（drill part）5mm #40/45，（grind part）25mm #70/80, total length 65mm,Triangle shank diamond core drill bit
• Wide Applications --2 in 1 diamond drill bit and diamond finger milling bit are worked great for drilling+enlaging+shaping holes through hard porcelain tile, ceramics,bathroom tile,granite & marble, masonry Using water could prolong the lifetime
• Super Quality Raw Material --Using vacuum brazed technology ,which increases resistance to temperature and friction,to make the diamond particles better attach to the core steel,imporve the performance and lifetime.Constructed with high grade diamond grit for effortless cutting and improved durability in tough applications.High-quality core steel body helps to be more efficient and durable, not easy to deform
• Machine --Suitable for any electric drill,hand drill,Bench Drill,Recomend RPM：6000，MIN RPM≥2000， When use Angle Grinder,please install angle grinder drill chuck
• High Performance --Special design of spiral groove at the top of bit helps for chip removal,Wax inside the drill bit helpful for Cooling and Lubrication

Specifications