Dormer Cobalt Steel Drill Bit 65mm Overall Length, 3.3mm Shank Size, 10 Pieces A7773.3

Dormer A7773.3 cobalt steel drill bit set offers 10 high-quality drill bits, each with a 65mm overall length and a 3.3mm cylindrical shank. These drill bits are designed for use in industrial, mechanical, fluid power, and manufacturing environments where drilling higher tensile and tougher materials is required.

The bits are manufactured from high-speed cobalt steel, ensuring excellent durability and heat resistance during heavy-duty drilling. The bronze surface finish provides protection against corrosion and enhances the tool's longevity. Each drill bit features 4 helical flutes optimized for efficient chip evacuation and smooth cutting action.

The drill bits are designed with a right-hand spiral cutting direction and a 135° point angle, delivering precise and clean holes. Compliant with DIN 338 standards, the bits meet rigorous quality measures making them suitable for professional use. The drilling length of 36mm balances penetration depth and control across various materials.

This set is ideal for applications in mechanical engineering, construction, manufacturing, and fluid power systems, providing reliable performance for demanding drilling tasks. The cylindrical shank type ensures broad compatibility with a range of drill chucks and machinery.

Made from high-speed cobalt steel for enhanced durability. Bronze finish provides corrosion resistance and smooth operation. Features 4 helical flutes for efficient chip removal. Cylindrical/straight shank type ensures compatibility with various drills.

Right-hand cutting direction with a 135° drill point angle for precise drilling. Compliant with DIN 338 standard for quality assurance. Drilling length of 36mm suitable for versatile applications. Professional HSS jobber drill bits ideal for tougher materials.

Surface treated for extended tool life and performance. Set is suitable for industrial, mechanical, and manufacturing drill tasks. Browse the Industrial Tools & Equipment category for more professional-grade Drill Bits and accessories tailored to your specific application needs.