6pcs Crimping Tool Drill Bit Set, Manual Copper Pipe Crimping Tool Drill Bit - Bearing Steel Drill Bit Expander with 7/8", 3/4", 5/8", 1/2", 3/8", 1/4" Bit

[function] forging of the torch/bucket to ensure universal coupling which also protects the pipes from breaking, mainly for the expansion of copper pipes. When installing air conditioning, the two copper pipes are tightly connected, with high resistance to contact fatigue and long-term use which is not easy to deform.I believe they can bring convenience for your life

[high-quality materials] The manual copper tail expander is made of practical and durable roller bearing steel, the size of the torch is always the same, it is very suitable, it is not easy to fall on the hand tool, the operation is safer, the countertop has the perfect depth and close cooperation, exquisite craftsmanship, smooth and delicate appearance, long service life life.

【practical accessories】 copper pipe expander uses thermal friction to create a revolutionary pipe system. No more contact area between the torch and the valve. The ductility of copper tubes is maintained during the expansion process to prevent cracking and leaking.There are 6 extensions of different sizes for different air conditioning diameters.

【 Easy installation 】 The handle pipe expander is small in volume, light in weight, easy to carry, perfect for replacing the old or bad replacement, using air conditioning, opening the copper pipes, connecting the two copper pipes together, a new high quality, reliable and safe, it is easy to install, does not need to be too long, easy to use and easy to use.

Feature: [function] forges the soldering barrel/bucket to ensure the universal joint. The process also protects pipes from cracking and is mainly used for expanding copper pipes. When installing air conditioning, the two copper pipes are tightly connected, with high resistance to contact fatigue and low deformation during long-term use.I think it can bring comfort to your life. The manual copper tail expander is made of practical and durable bearing steel. The burner is still the same size and is perfect. Installation on hand tools is not easy to remove and is safer to use. The counter depth is perfect, the cooperation is close, the workmanship is exquisite, the appearance is soft and exquisite, the service life is long. The copper pipe expander uses thermal friction to create a revolutionary piping system. The contact area between the burner and the valve is larger. Maintain the ductility of copper tubes during expansion to avoid cracking and leaking. There are six different sized extensions for different climatic diameters. The handle expander is small, lightweight and easy to carry. It's a perfect substitute for old or mean people.Using the air conditioning, open the copper pipes and connect the two pipes together. This is a new high quality, reliable and safe. Easy to install, not too long, easy to use, easy to use. Specification: Material: 45# steel culture: about 45mm; 50mm; 55mm Dimensions: 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 shown in the figure: 6 pcs/Set Note: The allowable error is 0 - 1 cm due to manual measurements. Please make sure you don't mind before bidding