KASAFE 4 Blade Serrated Eccentric 4 Flute Drill Bits Set, Concrete Masonry Drill Bits for Brick, Tile, Wood & PVC, Fine-Polished Carbide Tips with 1/4" Hex Shank, Sizes 6/8/10/12mm

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  • High-Strength Eccentric Twist Drill Bits Meticulously engineered with industrial-grade carbide tips. This advanced manufacturing process endows them with remarkable properties, including exceptional hardness, toughness, outstanding wear resistance and remarkable impact resistance. The drill bits have been subject to a precise fine-polishing procedure and are designed with anti-rust capabilities, guaranteeing an extremely sharp drilling performance free of burrs. Regardless of whether you are engaged in drilling operations on concrete, glass, brick or wood substrates, these drill bits can consistently demonstrate long-term durability and high precision
  • Multiple Materials The drill bits exhibit remarkable adaptability and are suitable for an extensive array of materials. This encompasses glass, ceramics, tile, mirrors, flower pots, wood, porcelain, brick walls, marble, as well as thin metal sheets. When dealing with particularly hard substances such as ceramic tiles, concrete, masonry, marble, glass, and granite, it is recommended to use water to cool the drill bit. Additionally, a gradual application of pressure should be employed while initially maintaining a tilted angle that is then smoothly transitioned to vertical drilling. This approach not only ensures precision in hole-making but also enhances operational safety
  • Industrial-Strength Cross-Head Tip Every drill bit within this set is equipped with a cross-head tip, which substantially augments its cutting power and precision. This meticulously engineered professional-grade design empowers the bit to slice through various materials with remarkable ease, yielding holes that are not only cleaner but also more accurate. When engaging in drilling operations on tougher surfaces like glass or ceramic, it is advisable to employ water cooling for the drill and meticulously control the rotational speed

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