Product details Product Description ST-622 Tube Expander | 1/4″–7/8″ | 7-in-1 | Copper & Aluminum | Super Stars The ST-622 Tube Expander by Super Stars is a professional HVAC hand tool designed for expanding copper and aluminum pipes to create secure joints without fittings. It is widely used in refrigeration and air conditioning installations for efficient pipe connections. This tool features a 7-in-1 multi-size design, allowing technicians to work with a wide range of pipe diameters using a single tool. The ergonomic handle with circular arc design ensures comfortable grip and reduced effort during operation. Built with a reinforced hinge mechanism and thickened connecting rod, the ST-622 delivers stable performance and prevents unwanted movement, ensuring smooth and precise expansion every time. Key Features 7-in-1 multi-size expander tool Supports sizes from 1/4″ to 7/8″ (6–22 mm) Ergonomic handle for easy and comfortable use Two-way design for flexible operation Reinforced hinge to prevent swinging Thickened connecting rod for durability Effort-saving spring mechanism Technical Specifications Specification Details Model ST-622 Brand Super Stars Tool Type Tube Expander Design 7-in-1 multi-size Metric Sizes 6, 8, 9, 10, 12, 16, 19, 22 mm Inch Sizes 1/4″, 5/16″, 3/8″, 1/2″, 5/8″, 3/4″, 7/8″ Material Compatibility Copper & Aluminum Mechanism Manual Construction Reinforced hinge & connecting rod Applications HVAC system installation Refrigeration piping work Expanding copper tubes for joint connections Pipe extension without fittings Workshop and field operations Frequently Asked Questions (FAQs) Q1: What is the purpose of ST-622?It is used to expand pipe ends to connect pipes without additional fittings. Q2: What pipe sizes does it support?It supports 1/4″ to 7/8″ (6–22 mm). Q3: What is the benefit of 7-in-1 design?It allows multiple pipe sizes to be handled with a single tool. Q4: Is it suitable for HVAC technicians?Yes, it is widely used in HVAC and refrigeration installations. Q5: Does it require much effort?No, it features an ergonomic design and spring mechanism for easy operation. View More View Less
