... Tool Bits, Turning Bits,lathe tool bit. 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 ,P40DIN4971-ISO1DIN4973-ISO8DIN4975-ISO10DIN4977-ISO5DIN4980-ISO6DIN282 ... -ISO3DIN4981-ISO7DIN283-60° - ISO13 Carbide tipped turning lathe tool bit K10 P30