Air conditioner copper pipe bell mouth electric expander drill bit tool

feature: Made of high-quality high-carbon steel materials durable. When installing the air conditioner unfold the copper pipes so that the two copper pipes are connected to each other. Rugged and easy to use a good helper for your work and life. Easy to use good performance and long life. Suitable for hard and soft copper standardized easy-to-braze swaging kits. The forged stopper will provide a larger forging depth to achieve a perfect fit. It needs to be installed on a hand electric drill. Specification: Material: high carbon steel Size: 3/4 inches (19 mm) 5/8 inches (15.9 mm) 1/2 inches (12.7 mm) 3/8 inches (9.5 mm) 1/4 inches (6.3 mm) Full length: 63/61/56/53/50mm Package Contents: 1 x Expander