Copper Tube Expander - 6pcs Professional Manual Copper Pipe Crimping Tool Drill Bit HVAC Repair Set

【High quality material】The copper tube expander is made of ball bearing steel, which provides high durability and ease of use. The rockets will always stay the same size and fit perfectly. The swaging has a perfect depth and an interference fit, which will make soldering easier and reduce fatigue stress in the coupling area.【Reliable Quality】The swaging/stamping will maintain all the ductility of the copper, ensuring superior overall coupling; the process will also prevent the tube from cracking.【High Performance】The revolutionary system that uses heat to form the tube by friction increases the contact area between the flare and the valve, ensuring optimal durability and strength.【Purpose】The copper pipe expander is mainly used for air conditioning installation. It allows opening the copper pipe to connect two pipes together.(It is installed on an electric hand drill). The tool can also be used to replace old or damaged pipes.Features:High-quality material: The copper tube expander is made of ball bearing steel, which is practical and durable. The rockets will always be the same size and fit perfectly. The swaging has a perfect depth and interference fit, which will make brazing easier and reduce fatigue stress in the mating area. Reliable Quality: The splaying/stamping will maintain Cooper's ductility, which will ensure better overall coupling; the process will also prevent the tube from cracking.High performance: The revolutionary system that uses heat to form the tube by friction increases the contact area between the flare and the valve.Purpose: The copper pipe expander can be used for air conditioning installation.Open the copper pipe to connect two copper pipes to each other. (Installed on the electric hand drill) You can use it to replace the old or damaged one.Specifications:Material: 45# steelHeight: about 45mm/1.77in; 50mm/1.97inch; 55mm/2.16inSize: 7/8（22.2mm）,3/4（19mm）,5/8（15.9mm）,1/2（12.7mm）,3/8（9.5mm）,1/4（6.3mm)Color: As pictures showQuantity: 6pcs/setNote :Please allow 0-1cm error due to manual measurement. Please make sure you do not mind before bidding.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package includes:6pcs x Hose Expander