LineUp arranged by type of thread Intro SP ST - Straight fluted taps Dies MATERIAL SPECIFIC DIN 283 DIES DIN 607 SL PMST JIS DPO JIS ANSI ANSI Rc 1/8 ÷ 1 Straight Fluted Taps for Hard Materials (<45HRC) YMW NPT 1/8 ÷ 1 HSS Spiral Pointed Dies YMW PO LONG - Long shank taps NPTF GENERAL PURPOSEST DIN LS-PT JIS 487 SP - Spiral fluted taps ANSI Rp 1/16 ÷ 2 Long Shank Straight Fluted Taps for Taper PipeThreadsYMW ROLL MATERIAL SPECIFIC DIN NPT ZELX SS NPTF JISANSI185 NPTF 1/16 ÷ 1 Taps for American Dryseal Taper Pipe Threads, forstainless steelYMW CARBIDE SP - Spiral fluted taps ST - Straight fluted taps LONG MATERIAL SPECIFIC DIN GENERAL PURPOSE DIN ZELX SS NPT JIS NPTF JIS HANDTAPS ANSI 184 ANSI 347NPT 1/16 ÷ 1Taps for American Taper Pipe Threads, for stainlesssteelYMWNPTF 1/16 ÷ 2Straight Fluted Taps for American Dryseal TaperPipe ThreadsYMW ST - Straight fluted taps LONG - Long shank taps EG (STI) GENERAL PURPOSE DIN GENERAL PURPOSE DIN SPECIAL NPT JIS LS-NPTF JIS 489 THREADS, ANSI 346 ANSI GAUGES NPT 1/16 ÷ 2 Straight Fluted Taps for American Taper PipeThreadsYMW NPTF 1/16 ÷ 1 Long Shank Straight Fluted Taps for AmericanDryseal Taper Pipe ThreadsYMW MATERIAL SPECIFIC DIN THREAD ZELX MOLDMILLSNPT JISANSI352 NPS NPT 1/8 ÷ 3/4 Straight Fluted Taps for American Taper PipeThreads, for Hard Materials (<45HRC)YMW DIES LONG - Long shank taps ST - Straight fluted taps CENTER GENERAL PURPOSE DIN GENERAL PURPOSE DIN DRILLS LS-NPT JIS 488 NPS JIS ANSI ANSI 348 NPT 1/16 ÷ 1 Long Shank Straight Fluted Taps for AmericanTaper Pipe ThreadsYMW NPS 1/8 ÷ 1 Straight Fluted Taps for American Parallel PipeThreadsYMW Technical info 64