30°-2.20mm.Valve seat cutting carbide tip bit,SERDI NEWEN ROTTLER SUNNEN GOODSON

30°-2.20mm.Valve seat cutting carbide tip bit,SERDI NEWEN ROTTLER SUNNEN GOODSON
30°-2.20mm.Valve seat cutting carbide tip bit,SERDI NEWEN ROTTLER SUNNEN GOODSON
30°-2.20mm.Valve seat cutting carbide tip bit,SERDI NEWEN ROTTLER SUNNEN GOODSON