Premium Titanium Coated Drill Bit Set – Precision & Durability for Every Project
Engineered with high-speed steel and titanium nitride coating for extreme hardness (HRC 62-65), reducing friction and extending lifespan by 6x vs. standard bits. Three precision-sized step drills (4-12mm) + three twist drills (3/5/8mm) for seamless hole expansion in metal, wood, and acrylic—no slippage or burrs. Laser-etched size markers ensure quick identification; 135° split-point tips prevent wandering for razor-sharp accuracy. Ideal for HVAC, automotive, and DIY crafts. Fully compatible with cordless/corded drills (1/4" hex shank). Bulk-packed for wholesale efficiency—best value per unit in bulk orders.