-
【Carbon Steel Material】High-quality materials. Durable and high-frequency quenching. Does not deform easily.
-
【Conical Design】The radius of the expanded tube is 12mm, 9.5mm, and 6mm respectively. It can gradually expand the copper pipe wall when working, without suddenly causing the copper pipe to rupture.
-
【Electric And Manual】You can directly install the expander bit into your electric drill. It can also be installed in a Phillips screwdriver and used manually.
-
【Work Efficiently】As long as you purchase the right size drill, you can achieve a good fit. It is effortless every time you operate.