1. High Efficiency Performance: Experience unparalleled drilling performance with our 2PCS 1R0.2x3xD4x50 Cooling Bit CNC, designed for high efficiency and precision in various materials. 2. Durable Tungsten Carbide Construction: These cooling bits are made from high hard coating tungsten carbide, ensuring long-lasting durability and resistance to wear during extensive use. 3. Superior Cooling Design: The specially engineered cooling design of these bits allows for effective heat dissipation, preventing overheating and prolonging tool life during CNC operations. 4. Versatile Applications: Perfectly suited for a variety of machining tasks, our 2PCS 1R0.2x3xD4x50 Cooling Bit is ideal for both professional and DIY projects, delivering consistent results every time. 5. Easy to Use: Designed for convenience, these high efficiency wear-resistant cooling drills are compatible with standard CNC machines, making them an essential addition to your toolkit. Colour:As Shown Material:Tungsten steel Package Contents: 2 * 1R0.2x3xD4x50 Cooling Bit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.