Professional M35 cobalt drill bits (4.5mm) for stainless steel, titanium & hardened alloys. 135° split point for precise drilling.
The Faithfull Professional Cobalt Jobber Drill Bit Set (4.5mm, Pack of 2) delivers exceptional performance in heavy-duty applications. Made from M35 HSSE grade steel with 5% cobalt content, these drill bits offer superior heat resistance and extended lifespan compared to standard HSS bits. The high cobalt content ensures they retain their hardness even at elevated temperatures, making them ideal for demanding materials.
Each bit features a 135° non-slip split point design for precise centring and reduced walking during operation. Manufactured to DIN 388 standards, these bits guarantee high precision tolerances and excellent geometric accuracy for clean, efficient drilling.
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