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Features of the Expander Tool Drill Bit Set

Drill bit tip for adapting to a drill that allows for the widening of the cooling tube and leaving it with a “female” termination. This expander tool drill bit set is made of high-strength tempered steel. Tube molding by friction heat. Drill bit sizes: 1/4, 3/8, 1/2, 5/8, 3/4, 7/8.

Presented in a plastic case with a screw-on lid. Recommended to use with drills of 1800 RPM and 500 W power, and for cordless drills of 18W. Widening is much faster than with traditional tools.




1/4 – 5/16 – 3/8 -1/2 -5/8 – 3/4 – 7/8

Unit Pack.


Technical sheet

Applications in plumbing and climate control equipment installation

In the sectors of plumbing and climate control equipment installation, reaming drill bits are essential for carrying out tasks such as the installation of pipes, connections, and ventilation systems. These drill bits allow for widening holes in materials like copper, PVC, and stainless steel, ensuring proper and safe installation of water and climate control systems.

Specific uses and applications

Reaming drill bits prove especially useful in the plumbing and climate control sectors, as they create precise and clean holes in various materials.


In plumbing work, you primarily use reaming drill bits to widen holes in pipes and connections made of copper, PVC, or stainless steel. This facilitates the installation of potable water, sewage, and gas systems, ensuring a perfect fit and preventing leaks.

Climate control

In the installation of climate control equipment, such as air conditioning and ventilation systems, reaming drill bits allow for adapting the holes to the dimensions of the ducts and connections, ensuring proper and efficient installation.

How to choose the right expander tool drill bit set

When choosing the right drill bit set for reaming, it’s important to consider some key aspects:


Consider the type of material you will work with, since each drill bit is specifically designed for a particular material.


Choose a drill bit set that includes different sizes, so you can adapt to various jobs and needs. This will allow for greater versatility, as you won’t have to purchase additional drill bits in the future.