Bosch 18167 15-Piece Cobalt Drill Bit Set Jobber Length Fractional

The Bosch 18167 is a professional-grade 15-piece cobalt drill bit set designed for demanding drilling applications in hard metals. These jobber-length drill bits feature a cobalt steel alloy construction that provides superior heat and abrasion resistance compared to standard high-speed steel bits.

Key Features:

• Cobalt steel alloy construction for extended bit life and heat resistance
• Fractional sizing for versatile drilling applications
• Jobber length design provides optimal balance between reach and rigidity
• 135-degree split point tip design for precision starting and reduced walking
• Ideal for drilling stainless steel, cast iron, titanium, and other tough materials
• 15-piece set covers most common fractional drill bit sizes
• Professional quality suitable for industrial, automotive, and fabrication use

This drill bit set is engineered for professionals and serious DIYers who need reliable performance when drilling through hardened materials. The cobalt alloy maintains its cutting edge at high temperatures, making these bits ideal for metalworking applications where standard HSS bits would quickly dull.