HSS Cobalt 5mm Drill Bit Set – Heavy-Duty, Long Life Metal Drilling Tools

The HSS Cobalt 5mm Drill Bit Set – Heavy-Duty, Long Life Metal Drilling Tools is built for precision, endurance, and reliability. Crafted from premium cobalt-enriched High-Speed Steel (HSS), these drill bits deliver outstanding performance in demanding drilling applications, making them ideal for professionals and DIY enthusiasts alike.

Each bit in the set is designed to cut through tough materials such as stainless steel, alloyed steel, cast iron, and other hard metals with ease. The cobalt composition gives the bit exceptional hardness and heat resistance, allowing it to maintain sharpness and integrity even during prolonged high-speed drilling. Whether in industrial fabrication, automotive maintenance, or workshop projects, this 5mm cobalt drill bit ensures clean, accurate holes every time.

Measuring 75mm in total length and offering a usable cutting length of 43mm, each bit strikes the perfect balance between reach and durability. The split-point tip ensures fast, precise starts without bit wandering, reducing the need for pilot holes. Its spiral flute design efficiently removes chips, improving drilling speed and preventing overheating or clogging during extended use. This design not only enhances cutting efficiency but also prolongs the life of each bit.

Every set includes 10 pieces neatly stored in a durable plastic box, ensuring that your tools remain protected, organized, and easy to access. The compact and lightweight packaging fits conveniently in toolboxes or workbenches, making it easy to carry between jobs. Each bit is precision-ground for consistent performance, offering smooth drilling with minimal friction.

Key product features and advantages:

• Manufactured from cobalt-enriched High-Speed Steel for superior hardness and wear resistance
• 5mm diameter ideal for drilling into metal, stainless steel, and other tough materials
• Total length of 75mm with 43mm usable length for accurate and efficient drilling
• Split-point tip enables easy start and prevents slipping on metal surfaces
• Spiral flute design ensures fast chip evacuation and reduced heat build-up
• Long service life and excellent cutting stability under heavy workloads
• Comes in a sturdy plastic storage box with 10 precision-ground drill bits

Engineered for long-term use and consistent results, this HSS Cobalt 5mm Drill Bit Set provides the reliability professionals expect in workshops and manufacturing environments. It’s also a great choice for home users who want industrial-grade quality in their toolkit. With its combination of strength, precision, and durability, this drill bit set delivers smooth, accurate performance on every job, no matter the material or drilling conditions.