6 Pack Cobalt Drill Bit Set (3–8mm)

6PCS Cobalt Drill Bit Set (3–8mm) – M35 High-Speed Steel

Upgrade your toolkit with this professional 6-piece cobalt drill bit set designed for strength, precision, and long-lasting performance. This set includes the most востребованные размеры: 3mm, 4mm, 5mm, 6mm, 6.5mm, 8mm – exactly as shown in the photo.

🔩 Premium M35 Cobalt Steel

Made from industrial-grade M35 (6542) high-speed steel with 5% cobalt, these bits are significantly harder and more heat-resistant than standard HSS 4241 drill bits. Built for durability and extended use on tougher materials.

⚙️ 135° Split Point Design

The precision 135-degree split point tip prevents walking and ensures fast, accurate drilling without the need for a center punch. Fully ground spiral flutes reduce friction and heat for smoother, cleaner holes.

🛠 Wide Application

Perfect for drilling through:
• Stainless steel
• Carbon steel
• Cast iron
• Aluminum
• Metal sheets
• Wood
• Plastic

Ideal for home DIY, garage work, metal fabrication, and workshop projects.

📦 Set Includes (6PCS)

3mm
4mm
5mm
6mm
6.5mm
8mm

Compatible with most standard power drills and cordless drills.

Sharp cutting edges, high drilling efficiency, and reliable performance — this compact cobalt drill bit set is built to handle demanding jobs with precision and speed.