1. Wear when using an electric drill.
Always use protective glasses, mask and gloves.
2. Do not touch it with your hands, as the drill
heated during use and there is a risk of burning.
3. It is recommended to oil the drill before each use.
Please do not set the drilling speed too high to avoid damage to the cutting edge.
4. Please note that when using the metal plate of the
Product drill fill the product with water for cooling.
must be used. Due to the high temperature, the step drill can be easily softened.
Drilling under water cooling can effectively extend the life of the drill.
14 sizes: 4 – 42 mm (4, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42 mm)
Commonly used to make holes in a variety of
Materials such as steel, wood, thin iron, aluminium alloy,
insulation boards, PVC panels and more.
Package contents:
1 x HSS Step Drill Bit 4-42mm