Flute Class Flute Class Icons of main materials 1 Low carbon steel 2 Medium carbon steel 3 High carbon steel 4 Alloy steel 5 Thermal refined stee(l 25~35HRC) 6 Thermal refined stee(l 35~45HRC) 7 Thermal refined stee(l 45~55HRC) 8 Thermal refined stee(l 50~63HRC) 9 Stainless steel Tool steel ⓫ Cast steel ⓬ Cast iron ⓭ Ductile cast iron ⓮ Copper ⓯ Brass ⓰ Brass casting ⓱ Bronze ⓲ Wrought aluminum ⓳ Aluminum alloy casting ⓴ Magnesium alloy Zinc alloy ㉒ Titanium alloy ㉓ Nickel base alloy ㉔ Thermosetting plastic ㉕ Thermoplastic resin TMa2ps Tap selection MainmaterialSymbol Code L Ds ℓc Productpage Tap selection Mainmaterial Symbol Code L Ds ℓc Productpage Note1 Note1 TMa3ps For left hand threads 23 SP LHPO LH SPQ012M--L SP P2 82 8.5 2.5P ① -77POR012M--LPOP35P③ -46Taps / M12 × 0.5 123 HT LH TNMR012M5-L HT P3 82 8.5 5P ④ -65 Standard 23 SP SPQ012G SP P2 82 8.5 2.5P ① -39 TNMR012M1-L 1.5P ④ -65 PO POQ012G PO 5P ③ -14 TMa4ps Oxidizing 123 SP OX SPQ012MX SP P2 82 8.5 2.5P ① -63 123 HT TNMQ012G5 HT P2 82 8.5 5P ④ -10 Long 23 LS-SP SPQ012ML10 SP P2 100 8.5 2.5P ① -89 TNMQ012G1 1.5P ④ -10 TMa5ps SPQ012ML12 120 ① -89SPQ012ML15150① -89 LS-PO POR012ML10 PO P3 100 5P ③ -53 TMa6ps POR012ML15 150 ③ -53123LS-HTTNMQ012M510HTP21008.55P④ -75 TNMQ012M512 120 ④ -75 TMa8ps TNMQ012M515 150 ④ -75TNMQ012M1101001.5P④ -75 TNMQ012M112 120 ④ -75 MT1a0ps TNMQ012M115 150 ④ -75Thread forming taps12N-RZNRZM7012MPROG7828.54P⑥ -17 for steels NRZM7012MB 2P ⑥ -17 MT1a2ps For high carbon steels 23 HC-SPFor stainless steels2349SU-SP SCMQ012M SP P2 82 8.5 2.5P ①-130SUMQ012MSPP2828.52.5P① -99 12349 SU-PO PUMR012M PO P3 82 8.5 5P ③ -61 M1-MT8a.5ps 129 SU-HT TUMR012M4 HT P3 82 8.5 4P ④ -89TUMR012M11.5P④ -89 For hard-to-machine materials12349SU2-SP SU2MR012M SP P3 82 8.5 3P ①-114 M9-MT2a4ps For cast irons ⑫⑬ FC-HT TY012MRAEN5 HT P3 82 8.5 5P ④ -92 TY012MRAENA 1.5P ④ -92 Carbide ⑫⑬⑯ N-CT FC TCNR012M3 HT P3 70 8.5 3P ⑤ -12 M25-MT4a8ps TCNR012M1 1.5P ⑤ -12 TCNS012M3 P4 3P ⑤ -12 TCNS012M1 1.5P ⑤ -12 M50-MT1a0p0s For aluminum ⑮⑯⑰⑱ AL-SP ASHMR012M SP P3 82 8.5 2.5P ①-134⑲⑳㉑AL-SP 1.5PSY012MRLENA1.5P①-135 For tUhrneiTfaiaedpdss ⑱⑲㉑ LA-HT TY012MRLEN5 HT P3 82 8.5 5P ④-109TY012MRLENA1.5P④-109 Carbide ⑲㉑ N-CT LA TCNR012M3A HT P3 70 8.5 3P ⑤ -5 For WhtihtwrTeoaardtphss Thread forming taps for ⑱⑲㉑ N-RS TCNR012M1A 1.5P ⑤ -5NRSM7012MPROG7828.54P⑥ -29 non-ferrous materials NRSM7012MB 2P ⑥ -29 For oSTncrseeawwitpnhgresm(aadcsShuinsMeeds ) For deep hole use 234⑬ S-SP1234S-PO SSMQ012M SP P2 82 8.5 2.5P ①-122PSMR012MPOP3828.55P③ -74 Nut taps 12 NT NH2012M HT Ⅱ 150 9 25P ⑦ -27 For Pipe thTreaadpss Taps / M12 × 0.75 FpoirpeAmtherrTeicaaadpnss Standard 23 SP SPQ012J SP P2 82 8.5 2.5P ① -39POPOR012JPOP35P③ -14123HTTNMR012J5HTP3828.55P④ -10 For MtinhiraTetauadrpess TNMR012J1 1.5P ④ -10 Sizes-42 Codes shown in ( ) are available while supplies last.