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 For cast ironsTMa3ps ⑫⑬ FC-HT TY020OSAEN5 HT P4 105 15 5P ④ -93TY020OSAENA1.5P④ -93Taps / M20 × 1.25 Carbide ⑫⑬⑯ N-CT FC TCNS020O3 HT P4 95 15 3P ⑤ -12 Standard 23 SP SPQ020N SP P2 105 15 2.5P ① -40 TCNS020O1 1.5P ⑤ -13 123 HT TNMS020N5 HT P4 105 15 5P ④ -12 TMa4psTMa5ps Long shank, ⑫⑬⑯ LS-N-CT TY020OSAWB3G HT P4 150 15 3P ⑤ -19carbideFor aluminumTY020OSAWBAG1.5P⑤ -19⑱⑲㉑LA-HTTY020OSLEN5HTP4105155P④-109Taps / M20 × 1TY020OSLENA1.5P④-109Standard23SP TNMS020N1 1.5P ④ -12SPQ020MSPP2105152.5P① -40 Carbide ⑲㉑ N-CT LA TCNS020O3A HT P4 95 15 3P ⑤ -5 PO POR020M PO P3 5P ③ -15 TMa6ps TCNS020O1A 1.5P ⑤ -5Carbide spiralfluted taps⑱⑲㉑N-CT-SPSY020OSKWBSPP495152.5P⑤ -20123HT TNMR020M5 HT P3 105 15 5P ④ -13TNMR020M11.5P④ -13 Thread forming taps ⑱⑲㉑ N-RS NRSM9020OP RO G9 105 15 4P ⑥ -29 For left hand threads 23 PO LH POR020M--L PO P3 105 15 5P ③ -47 for non-ferrousTMa8psmaterials NRSM9020OB 2P ⑥ -29NRSM0020OPG104P⑥ -29 123 HT LH TNMR020M5-L HT P3 105 15 5P ④ -66TNMR020M1-L1.5P④ -66 NRSM0020OB 2P ⑥ -29 Oxidizing 123 SP OX SPQ020MX SP P2 105 15 2.5P ① -63 MT1a0ps For high speed 12 F-SP VFSHMS020O SP P4 105 15 3P ①-176 For high carbon steels 23 HC-SP SCMQ020M SP P2 105 15 2.5P ①-131F-SLVFSHMS020OLSL5.5P② -26For deep hole use234⑬S-SPSSMQ020MSPP2105152.5P①-122 Long 12 LS-F-SP SY020OSFEVGS SP P4 150 15 3P ①-181 Nut taps 12 NT NH2020M HT Ⅱ 190 16 25P ⑦ -28 MT1a2ps Ultra fast For LS-F-SL LY020OSFEVG SL 5.5P ② -301234HFIHSHFIHST020OSPP5105162.5P①-184Taps / M20 × 0.75 tapping(with steelscoolant hole) HFISP HFISPT020O ①-188 Standard 123 HT TNMR020J5 HT P3 105 15 5P ④ -13 M1-MT8a.5ps For non-ferrous ⑱⑲⑳㉑ HFAHS HFAHST020O SP P5 105 16 2.5P ①-192 TNMR020J1materialsHFASPFor dry tappingFor steels234HDISPHFASPT020O①-196HDISPT020OSPP5105162.5P①-200Taps / M20 × 0.51.5P④ -13 M9-MT2a4ps (with coolant hole) For non-ferrousmaterials⑱⑲⑳㉑ HDASP HDASPT020O SP P5 105 16 2.5P ①-204 StandardUltra fast tapping(withFor both steels andcoolant hole)non ferrous materials234HDISLHDISLT020OSLP5105165.5P② -32123HTTNMQ020G5 HT P2 105 15 5P ④ -13TNMQ020G11.5P④ -13 M25-MT4a8ps High performance 1234 HP-RZthread forming taps59⑲ HRZM9020OP RO G9 105 15 4P ⑥ -49HRZM9020OB2P⑥ -49Taps / M21 × 2 Thread forming taps 2345 MHRZ 1110101144 RO G10 140 15 4P ⑥ -4 Standard 123 HT TNMS021Q5 HT P4 115 17 5P ④ -13 for carbon steels ofM50-MT1a0p0smedium hardness 1111101144 2P ⑥ -4 TNMS021Q1 1.5P ④ -13RY020OOOCTP1054P⑥ -8For left hand threads123HT LHTNMS021Q5-LHTP4115175P④ -66 RY020OOOCTB 2P ⑥ -8 TNMS021Q1-L 1.5P ④ -66 For tUhrneiTfaiaedpdss For deep hole use 234⑬ S-SP1234S-PO SSMR020O SP P3 105 15 2.5P ①-122PSMS020OPOP4105155P③ -74Taps / M21 × 1.5 Oversize 234⑬ S-SP SSMS020O SP P4 105 15 2.5P ①-122 Standard 123 HT TNMR021O5 HT P3 115 17 5P ④ -13 For WhtihtwrTeoaardtphss 1234 S-PO PSMT020O PO P5 105 15 5P ③ -74 TNMR021O1 1.5P ④ -13Low spiralLong23LS-LO-SPLSHMR020OL20SPP3200152.5P①-149For left hand threads123HT LHTNMR021O5-LHTP3115175P④ -66 ForoSTncrseaewwptinhgresmaadcs(huSisneeMds ) For heavy-industrial large parts 12349 HVSP SY020OTEEXJ SP P5 140 15 2.5P ① -24For helical coil wire⑱⑲㉑AL-HT STITW020O1LEB5HTⅠb115175P⑦ -4screw thread insertsTW020O1LEBA1.5P⑦ -4Taps / M21 × 1⑮⑯⑰⑱⑲⑳㉑AL-SP STISW020O1LENSPⅠb115172.5P⑦ -11Standard123HTTNMR021O1-L1.5P④ -66TNMR021M5HTP3115175P④ -13 For Pipe thTreaadpss With coolant hole 1234 MC-SP (MSHR020OL15) SP P3 150 15 2.5P ①-208 TNMR021M1 1.5P ④ -13(MSHR020OL20)200①-208For left hand threads123HT LHTNMR021M5-LHTP3115175P④ -66 FpoirpeAmtherTreicaaadpnss MC-PO (MPHS020OL15) PO P4 150 5P ③ -99 TNMR021M1-L 1.5P ④ -66(MPHS020OL20)200③ -99123MC-HT(ML15020O5-R)HTP3150155P④-134Taps / M22 × 2.5 For MtinhiraTetauadrpess (ML20020O5-R) 200 ④-134 Standard 23 SP SPR022R SP P3 115 17 2.5P ① -40(ML15020O1-R)1501.5P④-134POPOS022RPOP45P③ -15(ML20020O1-R)200④-134123HTTNMS022R5HTP4115175P④ -13 Nut taps 12 NT NH2020O HT Ⅱ 200 16 25P ⑦ -28 TNMS022R1 1.5P ④ -13 Sizes-68 Codes shown in ( ) are available while supplies last.