- Comprehensive Drill Kit : This set includes three high-quality water pipe expansion drill bits with blade diameters of 15-19mm, 18-24mm, and 24-31mm. Each bit features a 1/4 inch hex shank, ensuring compatibility with most power tools for seamless integration into your projects. - High-Speed Steel Construction : Crafted from high-speed stainless steel, these drill bits are engineered for sharpness and rapid performance. They deliver clean, precise results across various materials, including plastic, copper, and stainless steel. - Enhanced Precision : Featuring a 90-degree angle tip design, these drill bits facilitate accurate countersinking and a clean finish. This allows for better diameter control, resulting in improved hole shapes and fewer burrs. - Effective Cutting Edge : The incisive cutting edge ensures high machining accuracy, providing smooth drilling and increased efficiency. The specialized spiral groove design aids in chip removal and maintains precise drilling limits. - Versatile Applications : - Ideal for plumbers needing to create or enlarge holes in PPR pipes. - Perfect for DIY enthusiasts working on home improvement projects that require precise drilling in various materials. - Excellent choice for metalworkers seeking reliable tools for fabricating and modifying metal components. Upgrade your toolkit with this precision drill bit set, and experience the difference in performance and accuracy.