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 MainmaterialSymbol Code L Ds ℓc Productpage Note1 Note1 With coolant hole 123 MC-HT (ML15024S5-R) HT P3 150 19 5P ④-135 For soft structural steels 12 E-SP ESHMR024O SP P3 120 19 2.5P ①-128 TMa3ps (ML20024S5-R) 200 ④-135 For high carbon steels 23 HC-SP SCMR024O SP P3 120 19 2.5P ①-131 (ML15024S1-R) 150 1.5P ④-135 For hard-to-machine 356 EH-PO EPHMS024O PO P4 120 19 4.5P ③ -82 (ML20024S1-R) 200 ④-135 materials 6⓾ EH-HT ETHMS024O5 HT P4 120 19 5P ④-121 TMa4ps Nut taps 12 NT NH2024S HT Ⅱb 260 19 25P ⑦ -28 ETHMS024O1 2.5P ④-121 Taps / M24 × 2TMa5psStandard 23 SP SPR024Q SP P3 120 19 2.5P ① -40 Powdered 356 PM-SP SY024OSDPB SP P4 120 19 2.75P ①-167HSSLS-PM-SPSY024OSDPBK200①-173PM-POPY024OSDPBPO1205.5P③ -92 PO POS024Q PO P4 5P ③ -16 LS-PM-PO PY024OSDPBK 200 ③ -97 TMa6ps 123 HT TNMS024Q5 HT P4 120 19 5P ④ -13 For stainless steels 2349 SU-SP SUMR024O SP P3 120 19 2.5P ①-100TNMS024Q11.5P④ -1312349SU-POPUMS024OPOP4120195P③ -62 For left hand threads 23 SP LH SPR024Q--L SP P3 120 19 2.5P ① -78 129 SU-HT TUMS024O4 HT P4 120 19 4P ④ -89 TMa8ps 123 HT LH TNMS024Q5-L HT P4 120 19 5P ④ -67 TUMS024O1 1.5P ④ -89TNMS024Q1-L1.5P④ -67Oversize2349SU-SPSUMS024OSPP4120192.5P①-100 Long 23 LS-SP SPR024QL20 SP P3 200 19 2.5P ① -89 For deep 1239 LS-SU-S-SP SY024ORGEXGS SP P3 150 19 2.5P ①-119 MT1a0ps LS-PO POS024QL20 PO P4 5P ③ -53 hole use SY024ORGEXKS 200 ①-119123LS-HTTNMR024Q520HTP3200195P④ -77LS-SU-S-POPY024OSGEXKSPOP45P③ -71 TNMR024Q120 1.5P ④ -77 For hard-to-machine materials12349SU2-SP SU2MS024O SP P4 120 19 3P ①-114 MT1a2ps For high carbon steels 23 HC-SPFor stainless steels2349SU-SP SCMR024Q SP P3 120 19 2.5P ①-131 For cast ironsSUMR024QSPP3120192.5P①-100⑫⑬ FC-HT TY024OSAEN5 HT P4 120 19 5P ④ -93TY024OSAENA1.5P④ -93 For deep hole use 234⑬ S-SP SSMR024Q SP P3 120 19 2.5P ①-122 Carbide ⑫⑬⑯ N-CT FC TCNS024O3 HT P4 95 19 3P ⑤ -13 M1-MT8a.5ps For helical coil wire screw thread inserts ⑱⑲㉑ AL-HT STI TW024Q1LEB5 HT Ⅰb 130 20 5P ⑦ -4Nut taps12NTNH2024QHTⅡ2401925P⑦ -28 TCNS024O1 1.5P ⑤ -13Long shank,⑫⑬⑯LS-N-CTTY024OSAWB3GHTP4150193P⑤ -19 M9-MT2a4ps Taps / M24 × 1.5 carbide TY024OSAWBAG 1.5P ⑤ -19For aluminum⑱⑲㉑LA-HTTY024OSLENAHTP4120191.5P④-109 Standard 23 SP SPR024O SP P3 120 19 2.5P ① -40 For high speed 12 F-SP VFSHMS024O SP P4 120 19 3P ①-176 PO POS024O PO P4 5P ③ -16 F-SL VFSHMS024OL SL 5.5P ② -26 M25-MT4a8ps 123 HT TNMR024O5 HT P3 120 19 5P ④ -13 Long 12 LS-F-SP SY024OSFEVGS SP P4 150 19 3P ①-181 TNMR024O1 1.5P ④ -13 LS-F-SL LY024OSFEVG SL 5.5P ② -30 Oversize 23 SP SPS024O SP P4 120 19 2.5P ① -40 For deep hole use 234⑬ S-SP SSMR024O SP P3 120 19 2.5P ①-122 M50-MT1a0p0s PO POT024O PO P5 5P ③ -16 1234 S-PO PSMS024O PO P4 120 19 5P ③ -74 123 HT TNMS024O5 HT P4 120 19 5P ④ -13 Oversize 234⑬ S-SP SSMS024O SP P4 120 19 2.5P ①-123 For tUhrneiTfaiaedpdss TNMS024O1 1.5P ④ -13 Low spiral Long 23 LS-LO-SP LSHMR024OL20 SP P3 200 19 2.5P ①-149TNMT024O5P55P④ -13For heavy-industrial large parts12349HVSPSY024OTEEXJSPP5160192.5P① -24 TNMT024O1 1.5P ④ -13 For helical coil wire ⑱⑲㉑ AL-HT STI TW024O1LEB5 HT Ⅰb 130 20 5P ⑦ -4 For WhtihtwrTeoaardtphss For left hand threads 23 SP LHPO LH SPR024O--L SP P3 120 19 2.5P ① -78 screw thread inserts TW024O1LEBA 1.5P ⑦ -4POS024O--LPOP45P③ -47With coolant hole1234MC-SP(MSHR024OL15)SPP3150192.5P①-208 123 HT LH TNMR024O5-L HT P3 120 19 5P ④ -67 (MSHR024OL20) 200 ①-208 ForoSTncrseaewwptinhgresmaadcs(huSisneeMds ) OxidizingCoating TNMR024O1-L 1.5P ④ -67123SP OXSPR024OXSPP3120192.5P① -6412349VUSP1101101170SPP4160192.5P① -7MC-PO (MPHS024OL15) PO P4 150 5P ③ -99(MPHS024OL20)200③ -99123MC-HT(ML15024O5-R)HTP3150195P④-135 For Pipe thTreaadpss Long 12349⓾ VUPO 1102101170 PO P4 160 19 5P ③ -623LS-SPSPR024OL15SPP3150192.5P① -89 (ML20024O5-R) 200 ④-135(ML15024O1-R)1501.5P④-135 SPR024OL20 200 ① -89 (ML20024O1-R) 200 ④-135 FpoirpeAmtherTreicaaadpnssFor MtinhiraTetauadrpess LS-PO POS024OL15 PO P4 150 5P ③ -53 Nut taps 12 NT NH2024O HT Ⅱ 220 19 25P ⑦ -28123LS-HTPOS024OL20200③ -53TNMR024O515HTP3150195P④ -77Taps / M24 × 1.25TNMR024O520200④ -77Standard123HTTNMS024N5HTP4120195P④ -14TNMR024O1151501.5P④ -77TNMS024N11.5P④ -14 TNMR024O120 200 ④ -77 For left handthreads 123 LS-HT LH TNMR024O520L HT P3 200 19 5P ④ -83 Sizes-72 Codes shown in ( ) are available while supplies last.