A Tube Expander Collar is used to widen the inner diameter of tubes to accommodate fittings. This expansion process creates a secure and leak-free connection between tubes and parts of a system. The tube expander collar works by applying controlled force to the tube, gradually increasing its diameter to the desired size without compromising the integrity of the tube material.Attributes:• Made from steel with properties that maintain hardness for long wear life• Provides a reliable and economical solution for tube expansionApplications:A Tube Expander Collar is used to expand the inner diameter of tubes, allowing for a secure and leak-proof connection between tubes and fittings.