Carbide drill bits: Metal drill bit sets are made of high quality alloys, with high hardness and sharp drilling, durability, high hardness, not easy to damage or break. Wide Application: Multifunctional drill bits can easily penetrate various materials such as tiles, glass, cinder block, plastic, cement, concrete, mirrors, windows, travertine, brick, wood, etc., which can meet your needs for manual work. Superior performance: the triangular drill bit is easy to locate, stable and fast, does not break the border, opening cleanly. Non-slip triangular handle: The unique 3-flat non-slip shank can firmly and stably hold the bit in a power drill, which can reduce damage to vulnerable materials. Specification : The drill bit set includes 10 pieces of 6mm (1/4"), 1 piece transparent plastic box. It can be used for hand drill, bench drill with diameter 6mm. Features: 1.Our drill bit set made of hard and durable alloy , the openings are smooth and free of broken edges will not cause wobbles. 2.Suitable drill bit for stainless steel, iron plate, ceramic tile, glass, granite, marble, wood, etc. When drilling hard materials, please use water for lubrication. 3. The U-shaped groove allows efficient scrap and heat discharge. The triangles on the shanks of the drill bits are constructed for a tighter chuck maximizing for precise holes. 4.The drill bit is packed in a plastic case for easy storage, you can easily find it when you need it. 5.The carbide drill bit combines the chip and the drill bit, the pointed design is more convenient to use, and easy positioning can increase the opening speed. Specifications: Material: high quality carbide tipped Color: orange Size: 6mm Package includes: 10 X Drill Bit Warm Tips: 1.If you are drilling hard material (glass, porcelain stoneware, marble or granite), please use drill bit. water for lubrication. 2.Please always add water as coolant when drilling, just in case the goods become smoke or dark due to long time of high temperature operation. In case the drilled fragile goods are damaged during drilling, please slow down the drilling speed and drilling pressure. 4.Due to manual measurement, it may be 1-2cm error and the color of the actual item may appear due to the strength of the lighting. If you have any questions about our products, please feel free to contact us, we will get back to you within 24 hours.