Sitelun HRC 50 Ticn Coated Solid Carbide Twist Drill Bit 140° Point CNC Drilling Tool for Steel & Cast Iron D0.5-D20

Sitelun HRC 50 Ticn Coated Solid Carbide Twist Drill Bit 140° Point CNC Drilling Tool for Steel & Cast Iron D0.5-D20. Premium TiCN Coating: Titanium Carbonitride coating offers extreme wear resistance and low friction for extended tool life. 140 Degree Point Angle: Self-centering split point geometry ensures stability and eliminates need for pilot holes. High-Density Carbide Substrate: HRC 50 ultra-fine grain substrate provides high toughness and structural integrity. Wide Diameter Range: Available from 0.5mm to 20.0mm with h6 precision straight shanks for maximum clamping stability. OEM and ODM Services: Full customization support including logo engraving, size changes, and packaging design. Fast Delivery for Stock: In-stock items ship within 3 days; bulk orders delivered in 5-7 days. ISO 9001 & CE Certified: Products meet international quality and safety standards with full batch traceability. Comprehensive After-Sales: Free replacement or refund for quality issues plus professional cutting parameter support.