Description
Notice: -When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication. -The drilling speed of the Drill Bit should be slow, especially in the beginning of drilling. – Please try to keep the drill vertical and use water or coolant for lubrication when drilling. Specification: Package quantity: 5 Pcs tile drill bits 2x 6mm(1/4″), 1x 8mm(5/16″), 1x 10mm(3/8″), 1x 12mm(1/2″), Material: High quality tungsten carbide tip 2 Colors: Red;Blue Shaft: 3-Flat Shaft Used for:Tile, concrete, brick, glass, plastic and wood,etc.