⚡ Drill Like a Pro, Last Like a Legend
The Cobalt Drill Bit Set features 10 precision-engineered M35 cobalt steel bits with 5% cobalt content, delivering up to 67 Rockwell hardness for superior durability. Its 135° split point and gold oxide coating prevent walking and optimize chip removal, making it ideal for drilling hard metals like stainless steel, cast iron, and aluminum. Packaged in a sturdy case, this set combines professional-grade performance with portability and reliability.
Trustpilot
1 week ago
1 day ago