These swaging tool drill bits are designed to preserve the malleability of copper, creating tight and leak-proof fittings. They offer superior performance compared to round head reaming tools and can be used with any drill. Perfect for air conditioning installation, they open copper tubes to facilitate connections. Crafted from durable ball bearing steel, they ensure a perfect fit with consistent flare sizes, reducing stress on coupling areas. For beginners, practice on a scrap pipe and remember to cool off the tool after use. Our package includes 6pcs, essential for air conditioning repairs.

Feature:
1. Made of high‑quality stainless steel material, strong and durable, wear‑resistant and rust‑resistant.
2. With multiple specifications, it can meet the needs of various work scenarios.
3. Ergonomics, comfortable hand feeling, simple operation, even beginners can get started quickly.
4. Suitable for scenes such as mechanical processing, pipeline engineering, air‑conditioning pipeline, etc.
5. Hex triangular handle tube expander is used to expand the copper tube and connect the two copper tubes to each other

Specification:
Item Type: Swaging Tool Drill Bit Set
Material: Stainless Steel
Hex Handle Specifications: Approx. 6.35mm / 0.3in
Size: 7/8 (22.2mm) 3/4 (19mm) 5/8 (15.9mm) 1/2 (12.7mm) 3/8 (9.5mm) 1/4 (6.3mm)
Purpose: Flaring and Expansion of Copper Pipe
Applicable Scenarios: Mechanical Processing, Pipeline Engineering, Air-Conditioning Pipelines

Package List:
6 x Reamer