لقمة حفر HSS بنسبة 5% كوبالت مقاس 3 مم

The Ronix RH-5505 5% Cobalt HSS Drill Bit 3 mm is designed for precise drilling with a 3 mm diameter and 61 mm length. Made from M35 5% cobalt high-speed steel, it provides high strength, heat resistance, and wear resistance for general-purpose drilling applications. The sharpened cutting edge supports accurate drill starting, while the bright finish provides a smooth surface and helps improve rust resistance. Its round straight shank fits standard drill chucks easily, making it suitable for various workshop and project tasks.