3PCS HSS Step Drill Bits Set, Hex Shank High Speed Spiral Cone Cutters for Metal, 4-12mm, 4-20mm, 4-32mm Cone Drill Bit Step Bits for Sheet Metal, Stainless Steel, Aluminum, Wood, Plastic

• 【Premium Titanium-Coated Durability】 - Crafted from high-grade steel with a titanium coating, our step drill bits offer superior heat resistance, wear protection, and anti-chipping performance. Ensures smooth, precise drilling and extended tool life—ideal for long-term use.
• 【Universal Hex Shank】 - Featuring a 1/4" hex shank, these step bits fit securely in most electric drills, impact drivers, and drill presses. Prevents slippage for safer, more accurate drilling—perfect for both DIY enthusiasts and professionals.
• 【Multi-Size Convenience】 - This set includes three step bits (4-12mm, 4-20mm, 4-32mm) in a handy storage pouch. Eliminates frequent bit changes—ideal for drilling holes in thin metal, wood, plastic, and more with speed and precision.
• 【Effortless Operation】 - Simply align the desired step with your material for instant drilling. Laser-etched size markings ensure quick identification, while the spiral flute design reduces friction for smoother cuts.
• 【Versatile for Multiple Tasks】 - Beyond drilling, these bits deburr, chamfer, and cut clean holes in sheet metal, aluminium, brass, copper, wood, and plastic. Compatible with impact drills, drill presses, and standard electric drills—a must-have for any workshop.

3PCS HSS Step Drill Bits Set, Hex Shank High Speed Spiral Cone Cutters for Metal, 4-12mm, 4-20mm, 4-32mm