Kigauru 5Pcs Swaging Tool Drill Bit Set 1/4'' 3/8'' 1/2'' 5/8'' 3/4'' Multifunction 1/4 Inch Hex Shank Copper Tube Expander for Tube Expander Air Conditioner Copper Pipe Swaging Flaring Tool - MG-112

• Swage Drill Bit Set: Includes 5 sizes (1/4'' to 3/4'') for all your swaging needs. Total length ranges from 50mm to 63mm. Shank diameter is 1/4 inch hex shank for easy use. Material: Made of bearing steel for long-lasting use. The flares drill bits have high and uniform hardness and wear resistance, ensuring a perfect fit every time. It's a must-have accessory for repairing air conditioners and other HVAC systems. Efficient and Effective: Pipe flaring tool uses a unique working principle that expands soft copper pipes to prevent leaks. When used with an electric or impact drill, it works even more efficiently than a round head reaming tool, saving you time and effort. Easy to Install: Use the pipe flare tool to accurately and perfectly connect two copper pipes when installing air conditioners. Standardized for both hard and soft copper, these drill bits maintain ductility during the die-forging process to avoid cracks and leaks. Electrical installers and maintainers will love this tool for its ability to easily braze swagging, saving time and improving work efficiency. It's the best choice for you! Portable: Unlike other copper pipe reaming tools, our drill set is compact and easy to carry around. It won't take up much space in your toolbox or storage area, making it a convenient tool to have on hand.