... HSS taps:Material: alloy tool steel, HSS and HSS-COManufacturing process: cut thread, ground and fully groundFlute: straight flutes, straight flutes ... with spiral point, spiral flutes and flute lessStandards: DIN, JIS, BS, ANSI ... we could supply : HSS-Co5%, HSS-M2, HSS-4341Form: Straight Flute Hss Straight flute machine tap