Providing high-quality, innovative products that lead consumers to live a better life is Team's mission. Swaging tool drill bit set includes the common HVAC pipe diameter, such as 1/4inch, 3/8inch, 1/2inch, 5/8inch, 3/4inch, 7/8inch. The sufficient quantity and complete specifications are perfect to complete your work needs. These tube expanders are made of bearing steel material, they are durable, have good performance, and long life. These manual copper pipe swaging tools are suitable for hard and soft copper standardized, easy-to-braze swaging sets. The forging stopper will provide a large swaging depth to achieve a perfect fit. And a full range of forging tools makes it easier to expand HVAC pipes. During the die forging process, you should preserve the ductility of copper/aluminum to avoid cracks. Besides, when installing the air conditioner, expand the copper pipe to connect the two copper pipes. (it needs to be installed on a hand drill). They are your good assistant for work and life. These tube expanders are made of bearing steel material, with a blackened surface treatment, durable Swaging Tool Drill Bit Set is rugged and easy to use good performance and has a long life, you are a good assistant for work and life A full range of forging tools makes it easier to expand HVAC pipes These swaging tools fit for hard and soft copper standardized, are easy to braze swaging set Preserve the ductility of copper/aluminum during die forging to avoid cracks and leakage The forging stopper will provide a large swaging depth to expand HVAC pipes The common HVAC pipe diameter includes 1/4inch, 3/8inch, 1/2inch, 5/8inch, 3/4inch, and 7/8inch The forging stopper will provide a large swaging depth to achieve a perfect fit When installing the air conditioner, expand the copper pipe to connect the two copper pipes with each other. (It needs to be installed on a hand drill) 6Pcs Swaging Tool Drill Bit Set is sufficient quantity, co