SeonFook 6 PCS Swaging Tool Drill Bit Set 1/4-Inch Hex Shank HVAC Tool Copper Pipe Flaring Bits Portable Tube Expander Drill Bit Repairing Kit (1/4'', 3/8'', 1/2'', 5/8'', 3/4'', 7/8'') - SF-US-002

• 【Swaging Tools】 Come with 6 different sizes: 7/8'', 3/4", 5/8", 1/2", 3/8", 1/4". Hex Shank Diameter: 1/4 inch. They can meet your various work needs! 【Flaring Bit Set】Made of high quality bearing steel for durability and long life. Flares drill bits have high and uniform hardness and wear resistance, will always have the size and fit the pipe perfectly. 【Pipe Expander】The innovative drill bit expander for expanding tubes using heat by friction way more surface of between the flare and the Valve. Suitable for hard and soft copper standardized, easy to braze swaging set. 【Copper Pipe Swaging Tool】When air conditioning is installed, expand copper tube, make two copper tube mutual link (The drill bit is installed on hand electric drill). A full range of forging tools makes it easier to expand HVAC pipes. 【Drill Bit Expander】This swages tool present a perfect depth and a tight fitting, which will make the brazing easier, reducing the fatigue stress over the coupling area. Perfect for installers, no matter if you are just learning or have been doing it.