This product is made of high-quality steel products, can be used for wood and PVC pipe, etc.
Mainly used for special decoration lamp, but can not be used for sheet metal and stone.
After use, a small amount of anti-rust oil is applied on the surface of the hole to avoid natural
oxidation, which can improve the service life of the device.
This product is used for ordinary electric drill (with chuck) use, convenient operation
Material: M42 high-speed steel
Diameter: 80mm ~ 105mm（80mm, 90mm, 95mm, 105mm ）
The diameter of the thread: 15mm
Shank Diameter: 10mm
Blade diameter: 6 mm
Trepanning hole depth：2-25mm