8-Piece Twist Drill Bit Set, Twist Drill Bit Kit for Wood, Drill/Driver Accessories, Professional Twist Drill Bit, for Soft and Hard Wood

【Package Includes】Masonry drill bits with 8 different sizes: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm. Different sizes for different uses, perfectly suited for various drilling tasks and high drilling precision.【High-Quality Material】High-quality tungsten carbide masonry drill bits with a reinforced head, high hardness, not easy to break or bend, surface anti-rust treatment, long service life.【Excellent Effect】Sharp spear edges provide high drilling speed even on hard materials, working 85% faster than standard drill bits. The U-shaped groove allows for good chip removal.【Not Easy to Slip】Triangular shank design helps the electric hand drill lock the drill bit and prevents slippage and movement, suitable for most electric hand drills.【Wide 】Application】Ideal for most interior decoration materials: metal, glass, ceramic tiles, wood, ceramics, stone, concrete, brick, etc.