Carbide Tipped Tool Bits,Carbide Brazed Tool Bits,Turning Bits Grade of Carbide: K10,K20, P20,P25,P30 ,P40 Carbide Tipped Tool Bits,Carbide Brazed Tool Bits,Turning BitsGrade of Carbide: K10,K20, P20,P25,P30 ,P40 DIN4971-ISO1DIN4973-ISO8DIN4975-ISO10DIN4977-ISO5DIN4980-ISO6DIN282-60° - ISO12DIN263 - ISO11DIN4972-ISO2DIN4974-ISO9DIN4976-ISO4DIN4978-ISO3DIN4981-ISO7DIN283-60° - ISO13