
Carbide Inner Coolant Tool Router Tungsten Carbide HSS Diamond Core Twist Drilling/Drills Bits 2f for Metal. Customizable Specifications: Supports custom flutes (2f/3f), diameter (1-20mm), and hardness (HRC 45-68). Advanced Coating Options: Available with TiSi, AlTi, AlTiSi, AlCr, or AlCrSi-based nano coatings. High Wear Resistance: Features no-sticking and wear-resistant properties for hardened steel and stainless steel. OEM Service Support: Provides OEM packaging and customization services for bulk orders. Wide Application Range: Suitable for wood, PCB, metal drilling, and high-speed CNC milling machining. Fast Sample Delivery: Samples ready in 3-7 days with express shipping arriving in 3-5 workdays. Large Stock Availability: Maintains large inventory of regular types and sizes for immediate dispatch. Professional Manufacturing: Own plant in Guangzhou and coating center in Jiangsu with 21 advanced CNC machines.