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

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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: <ul><li>10 cobalt metal drill bits;</li><li>1 plastic storage case.</li></ul> Specifications: <ul><li>Diameter: 3 mm;</li><li>Total length: 61 mm;</li><li>Working length: 33 mm;</li><li>Material: high-speed steel with 5% cobalt content (HSS-E Co);</li><li>Shank type: three-flat cylindrical (with 3 flat surfaces);</li><li>Coating: golden oxide;</li><li>Number of cutting edges: 2;</li><li>Suitable for materials: high-alloy steels, stainless steel, cast iron, heat-resistant and acid-resistant steel;</li><li>Maximum tensile strength of materials: 1100 N/mm²;</li><li>Quantity in package: 10 pieces.</li></ul>