- Secure Hex Shaft: The 35mm hexagonal shaft provides a robust grip for reliable clamping, making installation and removal straightforward. This design minimizes slippage during drilling, enhancing precision. - Wide Compatibility: These drill bits are designed to work with a variety of pipes, making them versatile for different applications. They efficiently expand holes in pipes and are compatible with electric drills for optimal performance. - Variety of Sizes: The set includes three drill bits in distinct sizes: #20 (for 1/2-inch pipe), #25 (for 1/4-inch pipe), and #32 (for 1-inch pipe). Each size is tailored for specific pipe diameters, ensuring compatibility across multiple projects. - High-Quality Material: Crafted from HSS (High-Speed Steel), these drill bits deliver exceptional durability and performance. The elegant gold finish adds a professional touch to their appearance. Use Scenarios: 1. Plumbing Repairs: Perfect for expanding existing holes in pipes during plumbing repairs, allowing for seamless installations of connectors and fittings. 2. HVAC Installations: Ideal for HVAC technicians needing to modify ductwork or piping; these bits ensure precise drilling for efficient system setups. 3. Home DIY Projects: A great addition to any home toolkit for DIY enthusiasts looking to customize or repair plumbing in home improvement projects.