6PCS Air Conditioner Copper Pipe Tube Expander Spin Swaging Tool Drill Bits Set with 1/4, 3/8, 1/2, 5/8, 3/4, 7/8 Bits

7mm Three Flats Shank

Black Finishing 

6Pcs in one Plastic Box  (5Pcs-set is available)

1. Swaging Tool: A product of the swaging process with this tool making their way into HVAC systems lineset.

2. Made of high-quality bearing steel, durable for use;

3. The 6-Piece set includes sizes in the most common HVAC pipe diameters: 4 basic diameters + 2 "medium-duty" pieces for larger tubes found in the field, all you need to make perfect swages in AC hard or soft copper tubing;

4. When the air conditioner is installed, expand the copper pipe to make the two copper pipes connected with each other;

5. Designed to work along with drills or screwdrivers;

6. The forging stopper will provide a large swaging depth to achieve a perfect fit;

7. Rugged and easy to use, perfect for installers, your good assistant for work and life;

8. Preserve the ductility of copper/aluminum during die forging to avoid cracks and leakage.