HSS drill 4.0 mm 10 pcs

These 4.0 mm HSS drill bits are supplied in a set of 10 pieces and are ideal for precise drilling in metal, steel, aluminum, plastic, and wood. They are made from high-quality High Speed Steel (HSS) and offer long durability, high cutting speed, and clean drilling results, even under intensive use. Key features: Type: HSS metal drill bits Diameter: 4.0 mm Quantity: 10 pieces Material: High Speed Steel (HSS) Suitable for: Steel, non-ferrous metals, plastic, and wood Shank: Cylindrical, compatible with standard drill chucks Properties: Wear-resistant, heat-resistant, high drilling precision Application: Workshop, industry, assembly, and maintenance Advantages: Consistent quality, long service life, professional drilling results