Tykovon Diamond Drill Bits - 6 Pcs Set, 6mm-12mm, for Granite, Marble, Tile, Glass & Hard Materials, Round Shank, Dry Drill Bits

Product Features

• Surge Forward With Irresistible Force: Upgraded dry drilling diamond drill dits integrated with Wax Lubricant full 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). Surface plating built-in prevents the drill bit from rusting, cuts faster and lasts longer
• No-Fuss Compatibility With Major Drill Machine: The diamond drill is designed in a firmly round shank, which is compatible with most machines, such as hand drills, angle grinders, and bench drills, 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
• Universal: Diamond drill bit sets are designed for working with such materials as stone, granite, marble, porcelain, ceramic & hard tile(not applicable to wood). Core tile drill bits are intended for both industrial use under hard working conditions and domestic use
• Easy to Operate: To make the job easier, start drilling at a 45-degree angle and gradually raise the drill to an upright position
• What You Get: 3pc 6mm (1/4”), 1pc 8mm (5/16”), 1pc 10mm (3/8”), 1pc 12mm (1/2”) Black Diamond Drill Bits, a decent packaging, 6 separately box, and in 180 days, provide a replacement for the damaged item for standard use