Set burghie cobalt pentru metal DeWALT - Extreme DT4920-QZ, 10 bucăți

The DeWALT DT4920-QZ metal drill bit set from DeWALT includes 10 drill bits made of high-speed steel with 5% cobalt content (HSS-E Co). They are designed for drilling holes in various types of metals, including high-alloy steels with tensile strength up to 1100 N/mm² and stainless steel. The drill bits feature a special tip that prevents slipping on the surface when starting work, allowing more precise centering without the need for pre-punching. The three-flat shank ensures a stable grip in the drill chuck and eliminates the risk of slipping during drilling. Set includes: 10 cobalt metal drill bits; 1 plastic storage case. Specifications: Diameter: 3 mm; Total length: 61 mm; Working length: 33 mm; Material: high-speed steel with 5% cobalt content (HSS-E Co); Shank type: three-flat cylindrical (with 3 flat surfaces); Coating: golden oxide; Number of cutting edges: 2; Suitable for materials: high-alloy steels, stainless steel, cast iron, heat-resistant and acid-resistant steel; Maximum tensile strength of materials: 1100 N/mm²; Quantity in package: 10 pieces.