Premium 5% Cobalt M35 HSS Drill Bit Set (1.0-10mm)

High-Performance Cobalt Alloy
Made with 5% cobalt-enriched M35 high-speed steel for extreme durability and heat resistance, ideal for drilling stainless steel, hardened metals, and dense wood.
Precision-Ground Tips
Laser-calibrated 135° split-point design reduces walking and ensures faster, cleaner holes with minimal burring.
Versatile Industrial-Grade Use
Perfect for automotive repairs, metal fabrication, woodworking, and DIY projects requiring precision in tough materials.
Anti-Corrosion Coating
Oxidation-resistant surface treatment extends lifespan even under high-friction conditions.
Secure Storage Included
Compact heavy-duty plastic case with labeled slots for organized protection and portability.
Engineered for Torque
Hex shank prevents slipping in chucks, compatible with drills and impact drivers.
Batch-Tested Reliability
Each bit undergoes hardness (HRC 62-65) and concentricity checks for consistent performance.
Wholesale Optimized
Bulk packaging available for contractors and resellers seeking cost-effective high-volume solutions.