ProBore M35 Cobalt Drill Bit Set – 19-Piece Metric Bits for Stainless Steel & Hard Metal

Take on tough jobs with confidence. The ProBore M35 Cobalt Drill Bit Set is engineered for precision and power when drilling through stainless steel, hardened metal, cast iron, and more. With 19 round shank bits ranging from 1mm to 10mm, this set delivers consistent results whether you’re a DIYer or a professional tradesperson. Each bit is crafted from M35 high-speed steel with 5% cobalt, offering durability that outlasts standard steel.

Key Features

• 19-piece cobalt drill bit set includes 1mm–10mm metric sizes

• Made from durable M35 HSS with 5% cobalt for heat resistance and longevity

• Round straight handle fits most standard drill chucks

• Designed for hard metals like stainless steel, cast iron, and alloy steel

• Comes in a sturdy storage case for organization and portability

Why Choose Our ProBore M35 Cobalt Drill Bit Set
Many bits dull quickly or struggle with harder materials—but ProBore bits are built for endurance and clean performance. The metal drill bit set features precision-ground tips and cobalt reinforcement for cooler drilling and longer lifespan. Whether you’re in the shop or on the job site, it’s a step up in both quality and consistency.

Perfect For (Occasions & Uses)

• Professionals needing reliable bits for tough industrial materials

• DIYers upgrading tools for better performance on home repairs

• Workshop projects involving steel, bolts, or thick metal plates

• Auto or machinery work requiring durable, heat-resistant bits

Built for Strength. Made to Last.
Drill through the toughest materials with ease—choose the ProBore M35 Cobalt Drill Bit Set and get performance that keeps up with your work.