Product Name: AlTiN Coated Carbide Spot Drills with 120 Degreee Tip AngleModel Number: C120-450/550 Product Parameters:1. ... . Overall Length: 50-100mm11. Coating/Coverage: AlTiN coated12. Tip Angle: 120°13. HRC: for 45-55HRC work material14. Controlling mode: CNC ... . Special for spotting and drilling on different metals, tip angle 120 degree, also it can reduce the times of tool changes ...