Product Description OEM/ODM 60 degree tungsten carbide center drill for steel Specification D I d L Degree A0.4*D4*50 0.4 0.8 4.0 50.0 60 A0.5*D4*50 0...
Product Description Customized 60 degree solid carbide center drill for aluminum Specification D I d L Degree A0.4*D4*50 0.4 0.8 4.0 50.0 60 A0.5*D4.....