High-quality Cobalt metal drill bit spiral drill bit, diameter 7.5 mm, length 109 mm, working length 69 mm. Made from alloyed high-speed steel with 5% cobalt content according to DIN 338. Cross-ground according to DIN 1412C with a tolerance of h10. Ideal for drilling alloyed and unalloyed steel up to 1000 N/mm², stainless steel, cast iron, sintered iron, acid and heat-resistant steels. Drill bit tip with a 135° angle allows drilling without centering. High temperature resistance and performance. perties: - Diameter: 7.5 mm - Material: Cobalt 5% Cobalt - Standard: DIN 338 - For steel up to 1000 N/mm² - High heat resistance
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