HSS Twist Drill Bit Cobalt provides long-lasting performance when drilling stainless steel.\tCobalt alloy and fully ground HSS provide wear resistance and heat protection.\t Two cutters and two flutes remove chips quickly to make the bits last even longer.\tManufactured to DIN 338, drill bit Type N (flute angle) with a 135-degree tip, diameter tolerance h8.\t Ideal for drilling in stainless steel and metal pipes and profiles.\t Diameter 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