... export experience and good service 3.quick delviery time 4. machine tap HSS taps:Material: alloy tool steel, HSS and HSS-COManufacturing ... , ground and fully groundFlute: straight flutes, straight flutes with spiral point, spiral flutes and flute lessStandards: DIN, JIS, BS, ANSI and ISOSize: M1 ... we could supply : HSS-Co5%, HSS-M2, HSS-4341Form: Straight Flute Hss Straight flute machine tap