Featrues: -1.The material of Multi-Material Twist Drill Bit is high quality cemented carbide, which prevents drill cracking and improves durability. -2.Pointed design with carbide as a material can easily penetrate the various material. -3.U type slot design an increased opening speed, easy chip removal. -4.Spear pointed design strong tungsten carbide tip can easily penetrate various materials like tile, concrete, brick, glass, plastic, and wood, etc, and reduces breakout. -5.Drill Bit Set with 4 Different Sizes, 6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 12mm(1/2").
Note: 1.When drilling hard material such as glass, porcelain floor tile, marble, granite, etc, please use water for lubrication. 2.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 3.If you have any questions, please contact us in time, we will reply as soon as possible and solve the problem for you
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