Material: High-speed steel titanium coated surface. Good wear resistance and durability, high quality and never mounted. High-speed steel titanium coated surface, the special coating gives the bits a very high surface hardness to help penetrate tough materials, makes the bits highly corrosion resistant and significantly reduces friction between bit and workpiece. High-speed steel drill bits suitable for wood, plastic and soft metal (such as aluminium), NOT suitable for stainless steel. The mini twist drill bit can be used with a low-speed power drill, NOT be used in the impact drill.
Package included: 1 x Set 50 pcs (1.0 mm – 10 pcs; 1.5 mm – 10 pcs; 2.0 mm – 10 pcs; 2.5 mm – 10 pcs; 3.0 mm – 10 pcs) drill bits.
- Drilling tools are made from high-speed steel and emery for high hardness and durability.
- There are 50 pieces of drill tools in five types of the most popular drill bits.
- They are great for most drilling jobs and materials
- Easy to operate and carry.
- Small body and lightweight, you can put in it the tool bag and take it anywhere.