Made of HSS high-speed steel drills for metal Parameters in accordance with din 338, surface hardened with titanium nitride / gold color / Extremely durable and resistant, designed for drilling in stainless and acid-resistant steel The set comes in a practical metal case The set includes 25 drill bits with diameters [mm]: 1, 0; 1, 5; 2, 0; 2, 5; 3, 0; 3, 5; 4, 0; 4, 5; 5, 0; 5, 5; 6, 0; 6, 5; 7, 0; 7, 5; 8, 0; 8, 5; 9, 0; 9, 5; 10, 0; 10, 5; 11, 0; 11, 5; 12, 0; 12, 5; 13, 0
