This single 4 mm HSS‑Co (M35) cobalt drill bit is engineered for precision drilling through hard and abrasive materials. Crafted with 5 % cobalt content and high-speed steel, it delivers excellent performance and heat resistance. Designed in Germany, this drill bit is ideal for stainless steel, alloy metals, wood, and plastic – perfect for professional and industrial use. Key Features Diameter : 4 mm Material : High-Speed Steel with 5 % Cobalt (M35 grade) Heat Resistant : Maintains hardness and edge sharpness even under high temperatures Design : German-engineered for accuracy and durability Application : Suitable for stainless steel, metal, wood, plastic, and more Packaging : Single piece, packed in sandwich-style pack Int code: B11
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