uxcell 7Pcs Swaging Tool Drill Bit Set 1/4" 3/8" 1/2" 5/8" 3/4" 7/8" HVAC Repairing Tube Expander with 5 in 1 Flaring Tool for Copper Aluminum Pipe, Black
[Material]: The swaging tool drill bit is made of durable and wear-resistant bearing steel. It possesses toughness and impact resistance, ensuring a long service life and ease of use.
[Function]: When connecting the copper pipe of the air conditioner, the copper pipe can be expanded so that two copper pipes can be connected. (More efficient than a round head reaming tool, the drilling speed should not be too fast)
[Easy To Use]: It needs to be used with power tools such as hand electric drill, saving you time and improving work efficiency.
[Heat by Friction]: The drill expander for molding tubes using heat by friction way more surface of between the flare and the Valve. Preserve copper malleability during the molding process, for a leak-tight fitting.
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