13pcs SAE/Metric Titanium Coated Combination Drill and Tap Bit Set, Screw Tap Drill Bits for Drilling, Tapping, Countersinking, with Quick Change Adapter

Wide Application: These multifunctional tap drill bits combine drilling, tapping, deburring, and countersinking in one tool. Suitable for use on copper, brass, aluminium, metal sheets, and plastic - allowing you to complete multiple tasks efficiently in a single operation. Superior Craftsmanship: Crafted from high-speed steel for sharp, fast cutting performance while maintaining strength and precision. The titanium coating enhances durability, provides excellent wear resistance, and extends the service life of each bit. High Efficiency: The integrated 3-in-1 design (drilling, tapping, and countersinking) allows you to complete jobs quickly and accurately, significantly reducing process steps and saving both time and labour. Complete Set: Includes 13 pieces in both SAE and Metric sizes, ideal for creating various thread types. 6 SAE sizes: 6-32NC, 8-32NC, 10-24NC, 10-32NC, 12-24NC, 1/4-20NC 6 Metric sizes: M3x0.5, M4x0.7, M5x0.8, M6x1.0, M8x1.25, M10x1.5 1 Quick Change Adapter for easy bit replacement. We also provide premium customer support to ensure your satisfaction. Versatile Compatibility: Each bit is clearly labelled for easy identification. The 1/4-inch (6.35mm) hex shank fits most electric drills, bench drills, drill presses, and tapping machines, making it highly adaptable for various tools and applications.