Specification: Type: High speed steel Ti plated positioning drill Model:High speed steel, Ti plated Size:6-30 M2,8-35 M2 ,10-35 M2 ,12-38 M2 ,16-45 M2 ,20-45 M2 ,25-56 M2 ,30-68 M2 Material:High speed steel, Ti plated Coating: withcoating