SALI Cobalt Drill Bit Set 1/8-Inch, 20 Pack — High-Speed Steel Hex Shank Jobber Bits for Metal & Wood

Overview

The SALI Cobalt Drill Bit Set blends precision, durability, and versatility in a compact 20-pack. Each bit measures 1/8 inch in diameter and is crafted from cobalt M35 high-speed steel, delivering a tough edge that resists wear while maintaining sharp cutting performance. The bits’ geometry and finish are designed to deliver reliable performance across common project materials, from soft metals to hardwoods, making them a practical addition to many tool kits.

These bits may help you tackle everyday drilling tasks with greater control and efficiency, whether you are drilling into metal, wood, or compatible plastics. The cobalt alloy helps resist heat and preserve edge life under demanding use, so you can focus on the work rather than tool fatigue.

Key benefits at a glance

• Durable cobalt M35 alloy for long service life and improved wear resistance
• 1/8 inch diameter with a 1/4 inch hex shank for solid torque transfer
• 135 degree split point and parabolic chip grooves for quick starts and efficient chip removal

The 1/4 inch hex shank design ensures compatibility with common quick-change chucks and reduces tool slippage during high-torque drilling. The cutting edges and geometry are designed to start cleanly on wood and metal, with reduced heat buildup and smoother cuts for a more controlled drilling experience.

Versatile, real-world use cases

• Electrical installations and metalworking tasks where clean starts matter
• Home improvement and DIY projects involving metal sheets, aluminum, or hardwoods
• Professional setups where reliability and long life are valued for recurring jobs

Whether you are a professional tradesperson or a dedicated DIYer, this set offers a dependable option for varied drilling needs. While results vary with material and technique, the combination of toughness, speed, and durability makes these bits a practical addition to many tool kits.