Symbol of flute design Spiral Straight Spiral point Left hand spiral Roll Symbol of size Symbol of flute design SP HT PO SL RO Note 1: Product symbols shown in red mean the tap special for full rigid tapping Overall length Shank dia. Chanmfer length Drill hole shape L Ds ℓc P: B: Tap selection Main Symbol Code Flute Class L Ds ℓc Product Tap selection Main Symbol Code Flute Class L Ds ℓc Product MTa2ps material page material page Note 1 Note 1 For nickel base alloys P3 P4 M1 ZEN-B SM012OBJPX SP ISO2X 100 9 3P SP-38 For hard-to-machine P5 P6 EH-PO PM012NBDCB PO ISO2X 100 9 4.5P PO-13 ~M3 MTa3ps S1 materials ~S2 ZEN-P PM012OBJPW PO 4.5P PO-18 EH-HT TM012NBDCBC HT 2.5P HT-12 For medium hardness carbon steels P3 P4 MHSL LM012OBFCL5 SL ISO2X 100 9 5P SL-4 P4 P5 PH-SP SM012NAEEX SP ISO2 100 9 3P SP-24 For stainless steels P4 M1 SP-VA SM012OAGEX SP ISO2 100 9 2.5P SP-29 For stainless steels P4 M1 SP-VA SM012NAGEX SP ISO2 100 9 2.5P SP-29 ~M2 ~M2 MTa4ps P1 P2 P3 P1 P2 P3 P4 M1 PO-VA PM012OBGEX PO ISO2X 100 9 4.5P PO-14 P4 M1 PO-VA PM012NBGEX PO ISO2X 100 9 4.5P PO-14 ~M3 ~M3 For cast irons K1 GG-HT TM012OBAENC HT ISO2X 100 9 2.5P HT-14 For cast irons K1 GG-HT TM012NBAENC HT ISO2X 100 9 2.5P HT-14 MTa5ps GG-HT-OH TM012OBAFNC HT 2.5P HT-18 GG-HT-OH TM012NBAFNC HT-18 Coated K1 GG-HT(Coating) 9826012OTC HT ISO2X 100 9 2.5P HT-16 Coated K1 GG-HT(Coating) 9826012NTC HT ISO2X 100 9 2.5P HT-16 GG-HT-OH(Coating) 9826012OTCOH HT-19 GG-HT-OH(Coating) 9826012NTCOH HT-19 TMa6ps For aluminum alloys AXE N2 AXE-HT TM012OBLPVA HT ISO2X 100 9 1.5P HT-22 For medium hardness carbon steels P3 P4 MHSL LM012NBFCL7 SL ISO2X 100 9 7P SL-4 X series Coated P1 P2 P3 AUXSP SX012OANEV SP ISO2 110 12 2.5P SP-16 For aluminum alloys AXE N2 AXE-HT TM012NBLPVA HT ISO2X 100 9 1.5P HT-22 P4 M1 N1 ~M3 For titanium alloys S5 ZET-B SM012NBIPN SP ISO2X 100 9 3P SP-40 TMa8ps N2 AUXSL LX012OBNEV SL ISO2X 5P SL-7 ZET-P LM012NBIPN SL 5P SL-8 High speed tapping P1 P2 F-SP SY012OBNEV SP ISO2X 110 12 2.5P SP-42 For Nickel Base Alloys P3 P4 M1 ZEN-B SM012NBJPX SP ISO2X 100 9 3P SP-38 ~M3 S1 MTa1p0s ~S2 SM012OBNEV ISO2 100 9 SP-42 ZEN-P PM012NBJPW PO 4.5P PO-18 F-SL LY012OBNEV SL ISO2X 110 12 5P SL-9 X series Coated P1 P2 P3 AUXSP SX012NANEV SP ISO2 110 12 2.5P SP-16 P4 M1 N1 ~M3 LM012OBNEV 100 9 SL-9 N2 AUXSL LX012NBNEV SL ISO2X 110 12 5P SL-7 MTa1p2s Ultra fast For steels P1 P2 P3 tapping (with P4 HFIHS SY012OBEDTZ SP ISO2X 110 12 2.5P SP-43 coolant hole) For High Speed P1 P2 F-SP SY012NBNEV SP ISO2X 110 12 2.5P SP-42 P1 P2 P3 Tapping SM012NBNEV 100 9 SP-42 P4 HFISP SY012OBEDTHZ SP ISO2X 110 12 2.5P SP-44 MTa1ps-M7 F-SL LY012NBNEV SL 110 12 5P SL-9 For non- N1 N2 HFAHS SY012OBLDTZ SP ISO2X 110 12 2.5P SP-45 LM012NBNEV 100 9 SL-9 ferrous materials HFASP SY012OBLDTHZ SP-46 Ultra fast For steels P1 P2 P3 For both steels and tapping (with P4 HFIHS SY012NBEDTZ SP ISO2X 110 12 2.5P SP-43 TMa9ps-M24 non ferrous materials P1 P2 HDISL LY012OBEDTLZ SL ISO2X 110 12 5P SL-10 coolant hole) For dry tapping For steels P3 P4 HDISP SY012OBEDTLZ SP ISO2X 110 12 2.5P SP-47 P1 P2 P3 (with coolant hole) For non- P4 HFISP SY012NBEDTHZ SP ISO2X 110 12 2.5P SP-44 ferrous materials N1 N2 HDASP SY012OBLDTLZ SP ISO2X 110 12 2.5P SP-48 High performannce thread forming taps,coated P1 P2 P3 For non- N1 N2 HFAHS SY012NBLDTZ SP ISO2X 110 12 2.5P SP-45 MTa2p5s-M48 P4 M1 HP-RZ RM012OBFPTB RO ISO2X 100 9 2P RO-8 ferrous materials ~M3 HFASP SY012NBLDTHZ SP-46 Roll Taps for Carbon P3 P4 P5 MHRZ RM012OBOCTP RO ISO2X 100 9 4P RO-10 For both steels and P1 P2 HDISL LY012NBEDTLZ SL ISO2X 110 12 5P SL-10 FtThaorpresUadnsified non ferrous materials Steels of Middle Hardness RM012OBOCTB 2P RO-10 For dry tapping For steels P3 P4 HDISP SY012NBEDTLZ SP ISO2X 110 12 2.5P SP-47 Low spiral P2 P3 LO-SP SM012OANEBH SP ISO2 100 9 3.5P SP-20 (with coolant hole) For non- N1 N2 HDASP SY012NBLDTLZ SP ISO2X 110 12 2.5P SP-48 ferrous materials Oxidizing P2 P3 LO-SP OX SM012OANEXH SP ISO2 100 9 3.5P SP-22 Taps M12×1 FtThoarrepWasdhsitworth Taps M12×1.25 Standard P2 SP SM012MANEB SP ISO2 100 9 2.5P SP-3 Standard P2 SP SM012NANEB SP ISO2 100 9 2.5P SP-3 PO PM012MANEB PO 5P PO-3 FToarpPispe threads PO PM012NANEB PO 5P PO-3 HT TM012MANEBC HT 2.5P HT-4 HT TM012NANEBC HT 2.5P HT-4 TR012MANEB2 70 F HT-4 TR012NANEB2 70 F HT-4 TR012MANEB5 V HT-4 FToarpPsg threads TR012NANEB5 V HT-4 Oxidizing P1 P2 SP OX SM012MANEX SP ISO2 100 9 2.5P SP-10 Oxidizing P1 P2 SP OX SM012NANEX SP ISO2 100 9 2.5P SP-10 PO OX PM012MANEX PO 5P PO-10 PO OX PM012NANEX PO 5P PO-10 Low spiral P2 P3 LO-SP SM012MANEBH SP ISO2 100 9 3.5P SP-20 Coated P1 P2 P3 AU+SP SN012NANEV SP ISO2 100 9 2.5P SP-15 Oxidizing P2 P3 LO-SP OX SM012MANEXH SP ISO2 100 9 3.5P SP-22 P4 M1 N1 ~M3 For stainless steels M1 P4 ~M2 SP-VA SM012MAGEX SP ISO2 100 9 2.5P SP-29 N2 AU+SL LN012NBNEV SL ISO2X 5P SL-6 P1 P2 P3 P4 M1 PO-VA PM012MBGEX PO ISO2X 100 9 4.5P PO-14 P1 P2 P3 SP(Coating) 9840012NTI SP ISO2 100 9 2.5P SP-7 ~M3 P4 PO(Coating) 9830012NTI PO 5P PO-6 For cast irons K1 GG-HT TM012MBAENC HT ISO2X 100 9 2.5P HT-15 Low spiral P2 P3 LO-SP SM012NANEBH SP ISO2 100 9 3.5P SP-20 Coated K1 GG-HT(Coating) 9826012MTC HT ISO2X 100 9 2.5P HT-16 Oxidizing P2 P3 LO-SP OX SM012NANEXH SP ISO2 100 9 3.5P SP-22 High performance P1 P2 P3 P4 M1 HP-RZ RM012NBFPTB RO ISO2X 100 9 2P RO-8 ~M3 Sizes-28 For improvement, spec may change without advance notice. 725