Opaltool Multi Functional Drill Bit Set Ultimate Punching Drill Bits Set for Tile, Concrete, Brick, Glass, Plastic Orange (10pcs)

• ★Premium Material - Opaltool multifunctional drill bits are made of carbide with a reinforced head that prevents bit cracking. Our drill bit set with 9 different sizes: 3mm(1/8"), 4mm(1/6"), 5mm(1/5"), 6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 12mm(1/2"), 14mm(5/9"), 16mm(5/8").
• ★Efficient Design - Our orange drill bit set with triangle shank handle is designed for preventing slipping and allows drill bit to be held tightly and stably in power drill. U type slot design makes perfect chip removal ability with overall sandblasting treatment. No broken edges, no tremors, small incision resistance, fast hole speed, easy chip removal.
• ★Widely Used - Opaltool triangular-overlord handle multifunctional drill bits with sharpened cutting edges for multi-purpose drlling on drywall, bricks, tiles, wood, aluminium and metal sheet. Spear pointed design strong tungsten carbide tip can easily penetrate various materials and reduces breakout.
• ★Safe & Convenient - Our ultimate punching drill bits with u-shape groove allow for effective scraps and heat discharge. Tri-flat on the shanks of drills is a special sharpening technology, can low cutting resistance and improve drilling efficiency, are constructed for tighter chucking maximizing security for precise holes.
• ★Warm Tips - Opaltool tile drill bit set is resistant to high temperature at about 1000°C. However long session of work over 1000°C may cause the head to burn out. Therefore, adding water is required when drilling on high hardness material. These drill bits can be used in charging drill, hand drill, bench drill etc. Do not use impact mode of drill or hammers.

Features: The material of multifunctional twist drill bits set is high quality cemented carbide, which prevents drill cracking and improves durability. And triangular-overlord handle multifunctional drill bits is smooth and sharp without burrs, fully ground processing and anti-rust treatment. Pointed design with carbide as a material can easily penetrate the various material, and the multifunctional drill bits with u type slot design an increased opening speed, easy chip removal. Spear pointed design strong tungsten carbide tip can easily penetrate various materials like tile, concrete, brick, glass, plastic, and wood, etc, and reduces breakout. Ultimate punching drill bits with 9 different sizes, 3mm(1/8"), 4mm(1/6"), 5mm(1/5"), 6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 12mm(1/2"), 14mm(5/9"), 16mm(5/8"). Specification: Diameters: 3/4/5/6/6/8/10/12/14/16mm Material: Carbide Tool Holder Type: Triangle Handle Color: Orange + Silver Package: Plastic Box Package Include: 2 * 6mm drill bits 1 * 3mm drill bits 1 * 4mm drill bits 1 * 5mm drill bits 1 * 8mm drill bits 1 * 10mm drill bits 1 * 12mm drill bits 1 * 14mm drill bits 1 * 16mm drill bits Note: Please allow 1-3mm minor errors due to manual measurement. Thanks for your understanding. Monitors are not calibrated same, item colour displayed in photos may be showing slightly different from the real object. Please take the real one as standard. When drilling hard material such as glass, porcelain floor tile, marble, granite, etc, please use water for lubrication.