5D Tungsten Steel Drill Bit Solid Carbide Drill with Coolant Hole D4.4*36*L74*D6*2t (NHB044)

5D Tungsten Steel Drill Bit Solid Carbide Drill with Coolant Hole D4.4*36*L74*D6*2t (NHB044). High-Performance Coating: Solid carbide substrate with high-performance coating technology improves production efficiency. Enhanced Edge Strength: Unique edge treatment technology strengthens edge strength, wear resistance, and stability. Wide Diameter Range: Available in diameters ranging from 0.1mm to 20mm for diverse drilling needs. Premium Material Quality: Uses imported German rods and Swiss advanced grinding machines for superior quality. Professional R&D Team: Own R&D team and application technology center committed to product innovation. Strict Quality Control: Full inspection for size and appearance using Zoller testing equipment prevents defects. Versatile Application: Suitable for mold industry, semiconductor, medical, and various CNC equipment. OEM/ODM Support: Provides OEM and ODM services to meet specific customer requirements.