
Tungsten HSS Diamond Deep Hole Core Flat Bottom Carbide Inner Coolant Tool Shank Hammer Router Custom Drilling Carbide Drill 2f Bits. Customized Support: OEM service available with customizable flutes, diameter, and hardness. Wear-Resistant Design: Features no sticking and wear-resistant properties for high speed processing. Inner Coolant System: Carbide twist drills equipped with inner coolant nano coating. Wide Hardness Range: Available in HRC 45, 55, 60, 65, and 68 for various material needs. Versatile Applications: Suitable for hardened steel, die steel, stainless steel, wood, and PCB drilling. High Production Capacity: Monthly production capacity reaches 100,000 pieces. Advanced Manufacturing: Equipped with 21 advanced CNC grinding machines from Australia and Germany. Low MOQ: Minimum Order Quantity is just 1 piece for flexible purchasing.