
Professional 25-piece cobalt steel drill bit set for hardened steel, stainless steel & titanium. HSS-Co bits for superior heat resistance.
Elevate your metalworking and engineering projects with the professional-grade CLARKE INTERNATIONAL Cobalt Steel Metric Drill Bit Set. Engineered from premium high-speed cobalt steel (HSS-Co), these drill bits offer superior performance and longevity compared to standard HSS bits. The unique cobalt alloy composition provides exceptional heat and abrasion resistance, allowing the bits to maintain their cutting edge and structural integrity even under the intense temperatures generated when drilling tough materials. This makes them the ideal choice for workshops, garages, and fabrication settings where reliability is key.
This comprehensive set is designed for versatility, covering a wide spectrum of drilling requirements. Each bit is precision-ground to exacting tolerances, ensuring clean, accurate holes with minimal burring. The robust construction reduces the risk of breakage and extends tool life, providing excellent value for money. The bits are perfectly suited for use in drill presses, pillar drills, and high-quality handheld power drills, delivering consistent results across a range of applications.
Key Applications & Materials
Specially formulated for demanding tasks, this set excels at drilling into hardened steels, stainless steel, cast iron, titanium, and other super alloys that would quickly dull standard drill bits. It is an indispensable tool for automotive repair, metal fabrication, machinery maintenance, and DIY projects involving high-strength metals. Whether you are creating precise mounting holes, enlarging existing apertures, or starting a pilot hole for tapping, this set provides the necessary precision and durability.
Presented in a durable storage case, the bits are securely organised and protected from damage, making them easy to identify, access, and transport to any job site. Investing in this CLARKE INTERNATIONAL set means equipping yourself with professional-quality tools that deliver on‑
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