DORMER A777 Cobalt Jobber Drills 4.5mm

High-performance cobalt jobber drills designed for demanding drilling applications. Features a bronze finish and precision-ground 135° 4 facet point for superior chip evacuation and reduced heat generation. Complies with DIN 338 standards for reliable performance across steel, stainless steel, and cast iron. The 4.5mm size delivers consistent accuracy for general engineering and metalworking tasks.