Supply of 605 Machine Tap: M6 X1 Rh Spiral Flute Hss Pvdcvd Coated Work Piece Material Stainless Steel. Machine Tap M6 X 1 Rh Spiral Fluted. Tinticn Coated. Hss E To Conforming Din 371. Machine Tap M4 X 0.7 Rh Spiral Fluted Hss E For Tapping Of 35 Hrc To 45 Hrc Steel Material. Machine Tap M17x1.5 Rh Spiral Fluted Hss E For Tapping Of 35 Hrc To 45 Hrc Steel Material Machine Tap M8x1 Rh Spiral Fluted Tinticn Coated For Tapping Of 35 To 42 Hrc En 24 Steel Materi