Round Shank Serrated Concrete Drill Bit Set High Hardness Hexagonal Simple Installation Multifunction Drill Bit Multicolor

Features: Superior Drilling Performances : Made from premium alloy, these drill bits deliver hardness and wear resistance for effortless drilling through wood, metal, and plastic, boosting work efficiency for professional and DIYers. Precisions Tip Design : Features a unique pointed tip that prevents slipping and ensures accurate positioning during drilling operations, ideal for woodworking and metalworking applications requiring high precisions. Universally Compatibility : Designed to fit most electric drill models without needing adapters, perfect for home repairs, workshop projects, and various professional scenarios. Extended Durability : The alloy construction significantly enhances hardness and service life compared to standard steel bits, reducing replacement frequency for heavy duty users and long term projects. Quickly Change Convenience : Incorporates easy installation systems for instantly bit changes, saving valuable time during projects that require frequent size switching, especially beneficial for contractors and maintenance technicians. Specifications: Component: Alloy Length:Approx.59mm/2.32'',69mm/2.72'',80mm/3.15'',85mm/3.35'',95mm/3.74'' Package Includes: 6Pcs Drill Bit note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.