1. Process: Fully Ground 2. Standard: DIN371 3. Material: HSS M2/M35 4. Professional Heat Treatment HSS Machine Taps, DIN371M, Fully Ground Thread : Metric ,ISO, DIN Surface: White , Black , Tin coated Process: Fully Ground , stand high strength Flute: Straight Flute, Sprial Flute, Sprial Pointed Flute Long life , Perfect Threading Performance Package: individual in plastic box HSS Fully Ground ...