Drill, 5-in-1 multi-tool, cooling and air conditioning tools, copper pipe extension tool, balancing tool

HVAC Repair Tool: During air conditioning installation, the drill bit of the soldering tool can expand the copper pipe, allowing you to join two copper pipes together. (To be installed on a handheld electric drill.) ⚙️ 5-in-1 Design: No need to change the drill bit to work with different sizes. ⚙️ High-Strength Alloy: The copper pipe soldering drill bit is made of a high-strength, high-speed alloy. ⚙️ Multiple Sizes: The copper crimping drill bit fits most common HVAC pipes; the diameters are 1.905 cm, 1.5875 cm, 1.27 cm, 0.9525 cm, and 0.635 cm. Easy to install - Perfect for installers, whether beginner or experienced, to make your job easier. HVAC Repair Tool: When installing air conditioning, the flaring drill bit of the welding tool can expand the copper pipe, allowing you to join two copper pipes together. (To be installed on a handheld electric drill.) ⚙️ 5-in-1 Design: No need to change the tedious drill bit to work with different sizes. ⚙️ High-Strength Alloy: The copper pipe welding drill bit features a high-strength, high-speed alloy. Features: A complete range of flaring drill bit tools facilitates the expansion of HVAC pipes. Preserves the ductility of copper/aluminum during die forging to prevent cracking and leaks. Suitable for hard and standardized copper; easy-to-braze soldering set. The forging tool provides a deep crimping depth for a perfect fit. When installing the air conditioner, the soldering drill bit expands the copper pipe to connect the two copper pipes together. (It must be installed on a hand drill.) This 5-in-1 shaping drill bit is easy to carry, making the job easier and more convenient. Package Contents: 1 PCS HVAC Tools Copper Pipe Expander Material: Bearing steel Surface Treatment: Blackening Size: 1/4" (6 mm), 3/8" (9 mm), 1/2" (12 mm), 5/8" (16 mm), 3/4" (19 mm) Warning: The drill bit will get hot during use; please be careful with hot hands.