Mũi Khoan Bước Bằng Thép Không Gỉ Siêu Cứng Đa Năng

Brand: Xucheng; Place of Origin: Mainland China; Color Classification: Straight Groove 4241-Titanium-coated High Speed ​​Steel (Grade 5), Straight Groove 4241-Titanium-Coated High Speed ​​Steel (Grade 9), Straight Groove 4241-Titanium-Coated High Speed ​​Steel (Grade 15) ), straight groove 4241-titanium-plated high-speed steel (three-piece set), spiral 4241-titanium-plated high-speed steel (5 levels), spiral 4241-titanium-plated high-speed steel (9 levels), spiral 4241-titanium-plated high-speed steel (15 levels) ), spiral 4241-titanium-plated high-speed steel (three-piece set), straight groove 6542-titanium-plated high-speed steel (5th grade), straight groove 6542-titanium-plated high-speed steel (9th grade), straight groove 6542-titanium-plated high-speed steel ( 15-level), straight groove 6542-titanium-plated high-speed steel (three-piece set), spiral 6542-titanium-plated high-speed steel (5th level), spiral 6542-titanium-plated high-speed steel (9-level), spiral 6542-titanium-plated high-speed steel ( 15-stage), spiral 6542-titanium-plated high-speed steel (three-piece set), spiral M35-cobalt-containing upgrade (5 stage), spiral M35-cobalt-containing upgrade (9 stage), spiral M35-cobalt-containing upgrade (15 Grade), spiral M35-cobalt-containing upgrade (three-piece set); Item No.: Pagoda Drill 001;