toolant cobalt drill bit set pro 21-piece TiAlN coated for hardened metal and steel

Overview

The Toolant Cobalt Drill Bit Set Pro is engineered for metalworking, combining cobalt alloy with a Titanium Aluminum Nitride coating and a precision bullet-point tip. This 21‑piece collection is designed to deliver consistent starts, clean holes, and reliable performance when drilling through metal, including hardened and stainless varieties.

What makes it stand out

• TiAlN coating boosts surface hardness and heat resistance, helping edges stay sharp during extended drilling.
• Cobalt composition provides durability and wear resistance in metalworking tasks.
• Bullet-point tips are designed for self-centering starts that reduce wandering and improve hole alignment.
• A comprehensive 21-piece set covers a wide range of common metal drilling needs, from small pilot holes to larger through-holes.

Included sizes

• 1/16 in x2
• 5/64 in x2
• 3/32 in x2
• 7/64 in x2
• 1/8 in x2
• 9/64 in
• 5/32 in
• 11/64 in
• 3/16 in
• 13/64 in
• 7/32 in
• 15/64 in
• 1/4 in
• 5/16 in
• 3/8 in
• 1/2 in

Real-world use cases

Ideal for garage projects, fabrication work, and automotive tasks where precise metal drilling is essential. The bits cut through steel and stainless steel with confidence, while the long-lasting edge reduces the need for frequent sharpening.

• Metal fabrication and repair jobs
• Automotive maintenance and bodywork
• Hobbyist projects involving metal sheets and chassis parts
• Prototyping and light production drilling

Durable performance and support

In addition to sharp cutting edges, the coating and cobalt composition deliver long-term durability in demanding environments. Toolant backs this Pro set with a 90-day warranty, offering refunds or replacements if needed.