YUENTOEN 7Pcs Masonry Drill Bit Set, 1/4" Hex Shank Concrete Drill Bit Set for Stone Tile Brick Ceramic Glass Metal Sheet Plastic Wood, Tip Cutting Size 3mm-12mm

Premium Quality: The concrete drill bits are made of carbide and surface is coated with electrophoretic paint to prevent the drill bit from rusting, higher hardness than ordinary drill bit, more wear-resistant, so that it can serve you for a long time
Universal Hex Shank: These 1/4 hex shank makes the electric drill more tight and not easy to slip to safer use. Each concrete drill bit set is placed in a convenient transparent storage box for you to storage
Head Design: The tile drill bits are designed with cross-shaped tip for easy to position and improves the drilling speed. It also can reduce resistance and save time and effort when drilling
U-Type Slot: The masonry drill bit has widened thread U-type flutes for high speed operation and faster chip removal when drilling to prevent clogging of the hole, smoother drilling, improve work efficiency greatly
Wide Application: The drill bits set is widely used for drilling the masonry wall, cement wall, concrete, tile, wood, soft metal, stainless steel, aluminum alloy, wood, bubble brick, etc. Remember to add Water or coolant when drilling

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