MORESUPERHARD Diamond Hole Saw Kit,12PCS Dyt/Wet Brazing Hollow Core Drill Bits Set 6-35mm for Porcelain Tile Ceramic Marble Brick Concrete

【Size】: 12PCS diamond core drill bits set, 6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 12mm(1/2"), 14mm(9/16"), 16mm(5/8"), 18mm(7/10"), 20mm(7/9"), 22mm(7/8"). 25mm (1"), 30mm (1-1/5"), 35mm (1-3/8")
【Wet and dry use】: All diamond hole saw kit are treated with a special high temperature resistant process. Vacuum brazing technology with internal wax filling can withstand the tremendous heat generated when the hole saw rotates at high speeds even without using water as a lubricant. Of course, you can also use water as an additional coolant to extend the life of the hole saw
【Brazed Process & Solid & Sharp】: Our brazed diamond core hole saw kit is made of diamond monolithic steel, which is sturdy and durable. The surface is made of high anti-corrosion brazing process, and the thickened diamond coating on the top has excellent cutting strength for high precision and smooth cutting, stable and fast drilling
【Wide Application】: Diamond core drill bits are suitable for easy dry drilling on hard porcelain tiles, ceramics, bathroom tiles, granite and marble, masonry, concrete, glass and hard plastics. The special design of the spiral flute on the top of the drill bit helps to discharge chips
【Convenient Storage】: Our diamond brazed coring drill bit comes with a portable carrying case, the interior is designed with EVA custom molds, which keeps the drill bit securely in the box and won't be damaged by shaking

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