10Pcs Cross Spearhead Drill Bit Set | Carbide Bits for Ceramic/Marble/Glass | 1 / 4in Hex Shank Fits Electric Hand Drills | Rustproof & Scratch - Tolerant (8mm hole diameter)

Produktbeschreibung

Solid Carbide Construction - These cross spearhead drill bits are made of high-grade cemented carbide with rustproof treatment, ensuring sturdiness and tolerance to scratches during prolonged use on tough materials. Reinforced Cross Spearhead Design - The unique cross spearhead structure prevents cracking and extends drill bit service time, making it suitable for drilling through ceramic tiles, marble, and glass without damage. Versatile Material Compatibility - Carbide drill bits work effectively on glass, ceramics, mirrors, wood, porcelain, brick walls, and thin iron plates, offering multi-surface application for DIY and skilled projects. Secure Hex Shank Connection - Standard 1/4-inch hex handle ensures quick, safe installation on electric hand drills, providing a tight lock and easy replacement between drilling tasks. Complete 10-Piece Set - Includes 10 drill bits in a sturdy plastic box, covering various sizes for different drilling needs, with clear instructions for recommended vertical use and cooling under water flow.