LineUp arranged by type of thread Intro NPSF ST - Straight fluted taps SP GENERAL PURPOSE DIN ST - Straight fluted taps HT JIS 318 SL ANSI BSW 1/16 ÷ 4 Straight Fluted Taps YMW GENERAL PURPOSE DIN GENERAL PURPOSE DIN NPSF JIS HT LH JIS 328 PO ANSI 349 ANSI NPSF 1/8 ÷ 1 Straight Fluted Taps for American Dryseal ParallelPipe ThreadsYMW BSW 1/8 ÷ 1 1/8 Straight Fluted Taps for Left Hand Threads YMW MATERIAL SPECIFIC DIN ST BSW SU-HT JIS 333ANSI BSW 1/4 ÷ 3/4 Straight Fluted Taps for Stainless Steel YMW ROLL SP - Spiral fluted taps LONG - Long shank taps GENERAL PURPOSE DIN GENERAL PURPOSE CARBIDEDIN SP JIS 163 LS-SP JIS 444 ANSI ANSI BSW 1/8 ÷ 2 Spiral Fluted Taps YMW BSW 1/4 ÷ 1 Long Shank Spiral Fluted Taps YMW LONG GENERAL PURPOSE DIN GENERAL PURPOSE DIN SP LH JIS 167 LS-PO JIS 462 ANSIBSW 1/4 ÷ 3/4Spiral Fluted Taps for Left Hand ThreadsYMWBSW 1/4 ÷ 1 ANSILong Shank Spiral Pointed TapsYMWHANDTAPS MATERIAL SPECIFIC DIN GENERAL PURPOSE DIN SU+SP/SU-SP JIS 171 LS-HT JIS 483 ANSIBSW 3/16 ÷ 1Spiral Fluted Taps for Stainless SteelYMWBSW 1/4 ÷ 1 ANSILong Shank Straight Fluted TapsYMWEG (STI) PO - Spiral pointed taps Special threads, gauges SPECIALTHREADS, GAUGES GENERAL PURPOSE DIN GENERAL PURPOSE DIN PO JIS 245 NT JIS 550 THREAD ANSI ANSI MILLS BSW 1/8 ÷ 2 Spiral Pointed Taps YMW BSW 1/8 ÷ 1 1/2 Nut Taps YMW GENERAL PURPOSE DIN PO LH JIS 247 DIES ANSI BSW 1/4 ÷ 3/4 Spiral Pointed Taps for Left Hand Threads YMW MATERIAL SPECIFIC DIN CENTER SU+PO/SU-PO JIS 251 DRILLS ANSI BSW 3/16 ÷ 1 Spiral Pointed Taps for Stainless Steel YMW Technical info 65