☪Upgraded Dry Drilling Design : Mgtgbao Diamond Drill Bit integrated with wax lubricant inside which melts while dry drilling and cools the cutting surface; Water can be used as additional cooling to prolong the life of the bit. The 6pcs dry diamond drill bits set, core drill bit for granite marble tile ceramic stone glass not for wood hex shank for porcelain tile with 3 16,1 4, 5 16, 3... Whendrilling, be careful to wear protective gloves, eyes, face shield to prevent debris from entering the nose and eyes Surface plating can prevent the drill bit from rusting. 1pc 5/16 inch (8mm) diamond drill bits diameter New design Our design is that the cutting part of the blade has a thresded chip flute to facilitate the discharge of chips. ☪Multiple Size Dry Diamond Core Drill Bit: The diamond drill bit set contains 6 pieces of dry diamond bits different sizes, including 1pc 3/16” (5mm), 1pc 1/4” (6mm), 1pc 5/16” (8mm) , 1pc 3/8” (10mm), 1pc 1/2” (12mm) , 1pc 9/16” (14mm) fit your need. 1pc 3/8 inch (10mm) diamond drill bits diameter 1pc 1/2 inch (12mm) diamond drill bits diameter Hex shank Hex shank can lock firmly, suitable for any electric drill,hand drill,Bench Drill, preventing bits from slipping, improving your working efficiency. 1pc 1/4 inch (6mm) diamond drill bits diameter Mgtgbao have many kinds of masonry drill bit sets and diamond drill bit, you can choose you want. Buy VCE 3GHz Coaxial Cable Connector, RG6 Coax Cable Extender F-Type Nickel Plated Adapter Female to Female for TV Cables, 2 Pack ☪Wildly Application: Mgtgbao dry diamond drill set can be applied for drilling clean holes to hard materials, which especially fits well for tiles, porcelain ground, granite ceramic glass mirror marble stone masonry brick and so on; Note: not applicable to wood. 6Pcs 6/14/20/30/35/50mm Diamond Drill Bit Sets Marble Granite Stone Ceramic Tile ☪Widely Compatibility: black diamond drill is designed in round shank, which is compatible with most machines, such as hand drill, angle grinder, bench drill, also can be matched with side flutes help to remove debris and drill holes smooth and fast; Depth mark is also useful for precise project. 6mm Diamond Tip Set ASNOMY 6Pcs Diamond Drill Bits Set,Diamond Core Drill Bits For Tile,Porcelain,Ceramic,Glass,Stones & More –1/4" Hex Shank Tile Drill Bits For Fast Best Porcelain Tile Drill Bit
