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The HSS cobalt drill bit set for metal includes ten pieces with diameters ranging from 1 to 10 mm. The case features clear markings for quick size recognition. The drill bits are made from high-speed steel HSS M35 with 5% cobalt alloy, which provides high heat resistance and increased durability during use in stainless steel, alloy steels, and other hard metals. The manufacturing standard is DIN 338.
The triple-step sharpened tip with a 125° angle allows for direct drilling without pre-drilling, while the precisely helical flute enables rapid chip removal. The smooth cutting edge ensures clean holes, while the stable geometry and tip angle prevent slipping on the surface.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.
