10Pcs Premium Straight Shank Twist Drill Bits Tungsten Steel CNC Router Bits Engraving Milling Cutter 11mm for Metal Wood Plastic PCB Circuit Board High Precision Cutting Tools

Item Type: Straight Shank Twist DrillMaterial: Tungsten SteelHole Diameter: Approx. 11mm / 0.43inPackage List：10 x Straight Shank Twist Drill Bit

• [TUNGSTEN STEEL] These premium twist drill bits are crafted from high-grade tungsten steel for exceptional durability and long-lasting sharpness. The ultra-hard material provides superior wear resistance, ensuring smooth cutting performance even after repeated use on tough materials.
• [PRECISION ENGINEERED FOR VERSATILITY] Designed for professional results on various materials including metal, wood, plastic, PCB, and circuit boards. The carefully engineered cutting edges deliver clean, precise holes without burrs or material damage, making them ideal for both industrial and hobby applications.
• [OPTIMIZED FOR CNC MACHINES] Specially designed for use with CNC routers and milling machines, these bits provide at high speeds. The straight shank design ensures secure clamping and minimal vibration for accurate, repeatable results in automated machining processes.
• [HEAT TREATED FOR MAXIMUM DURABILITY] Through advanced high-temperature quenching technology, these bits achieve enhanced hardness and thermal resistance. This professional heat treatment prevents premature dulling and maintains cutting efficiency even during prolonged use.
• [10PC VALUE PACK] Get everything you need with this complete set of 10 high-quality drill bits. The 11mm diameter size is for a wide range of drilling and engraving tasks, offering excellent value and serious DIY enthusiasts alike.