5PCS Ceramic Tile Drill Bit Electric Drill Hole Opener Drill Bit Triangle Cement Drill Bit Electric Drill Hole Drill Bit Set

Features 1. Made of high quality alloy as material. The process of oxynitriding of the cutter head strengthen the drill hardness. 5 different size: 3/4/5/6/7mm 2. Small incision resistance，feature drilling stably fast speed not breaking the border. Opening neat smooth no broken edges no tremor phenomenon chip easily. 3. Full-grinding and anti-rust treatment clean and sharp without burrs .The drill bit is more wear-resistant and more durable .Fully automated polishing: Polished CNC is fully automated each one is unified. 4. Compact size light perfect for wood plastic walnut amber beads beeswax olive nut small model kit and many other DIY projects that require the drilling of precise holes. 5. Quality Guarantee. We have faith in our product and always back it up with trustful customer service please reach out to us if you have any questions or problems about our products. Specification Material: Steel Color: Silver Black Titanized Galvanized Size: 3/4/5/6/7mm Package Includes: 5 x Drill Bit