HSS Drill Bit 4.0 mm DIN338 – Sleeved

A precision HSS (High-Speed Steel) drill bit with a 4.0 mm diameter, manufactured to DIN338 standard for consistent performance across steel, cast iron, and general metalworking applications. The sleeved design provides enhanced rigidity and reduced vibration during drilling, ensuring clean holes and extended tool life. Ideal for electricians, metal fabricators, and maintenance technicians requiring reliable, accurate drilling.