5pcs/Pack Diamond Hole Saw Drill Bit Set, 1/4 5/16 3/8 1/2 Inch for Porcelain Tile Ceramic Stone Granite Marble, Hex Shank Dry Drilling, 6/8/10/12mm

$13.87$15.41

You save: $1.54 (10% off)

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5QNWYDNL

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Key Features

•✔Size --5pcs/pack 1/4"(6mm)+5/16"(8mm)+3/8"(10mm)+1/2"(12mm), diamond height 8mm, total length 65mm,quick-fit 6.5mm,diamond grit #50/60 of diamond core drill bit
•✔Wide Applications --Diamond core bits are worked great for dry drilling holes through hard porcelain tile, ceramics,bathroom tile,granite & marble, masonry, concrete, glass, hard plastic with ease. 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
•✔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
•✔Machine --Suitable for any electric drill,hand drill,Bench Drill, When use Angle Grinder,please install angle grinder drill chuck