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 For cast ironsTMa3ps ⑫⑬ FC-HT TY018RTAEN5 HT P5 100 14 5P ④ -93TY018RTAENA1.5P④ -93Taps / M18 × 1.5 Carbide ⑫⑬⑯ N-CT FC TCNS018R3 HT P4 100 14 3P ⑤ -12 Standard 23 SP SPQ018O SP P2 100 14 2.5P ① -39 TCNS018R1 1.5P ⑤ -12 PO POS018O PO P4 5P ③ -15 TMa4ps Long shank, ⑫⑬⑯ LS-N-CT TY018RSAWB3G HT P4 150 14 3P ⑤ -19carbideTY018RSAWBAG1.5P⑤ -19 123 HT TNMR018O5 HT P3 100 14 5P ④ -12TNMR018O11.5P④ -12 TMa5ps For aluminum ⑱⑲㉑ LA-HT TY018RTLEN5 HT P5 100 14 5P ④-109TY018RTLENA1.5P④-109Oversize 23 SP SPR018O SP P3 100 14 2.5P ① -39SPS018OP4① -39 Carbide ⑲㉑ N-CT LA TCNS018R3A HT P4 100 14 3P ⑤ -5 PO POT018O PO P5 5P ③ -15 TMa6ps TCNS018R1A 1.5P ⑤ -5Carbide spiralfluted taps⑱⑲㉑N-CT-SPSY018RSKWBSPP4100142.5P⑤ -20123HT TNMS018O5 HT P4 100 14 5P ④ -12TNMS018O11.5P④ -12 For high speed 12 F-SP VFSHMS018R SP P4 100 14 3P ①-176 TNMT018O5 P5 5P ④ -12 TMa8ps F-SL VFSHMS018RL SL 5.5P ② -26 TNMT018O1 1.5P ④ -12Long12LS-F-SPSY018RSFEVGSSPP4150143P①-180For left hand threads23SP LHSPQ018O--LSPP2100142.5P① -78 LS-F-SL LY018RSFEVG SL 5.5P ② -30 PO LH POS018O--L PO P4 5P ③ -47 MT1a0ps For deep hole use 234⑬ S-SP1234S-PO SSMR018R SP P3 100 14 2.5P ①-122PSMS018RPOP4100145P③ -74 123 HT LH TNMR018O5-L HT P3 100 14 5P ④ -66TNMR018O1-L1.5P④ -66 Oversize 234⑬ S-SP SSMS018R SP P4 100 14 2.5P ①-122 Oxidizing 123 SP OX SPQ018OX SP P2 100 14 2.5P ① -63 MT1a2ps 1234 S-PO PSMT018R PO P5 100 14 5P ③ -74Low spiralLong23LS-LO-SPLSHMR018RL20SPP3200142.5P①-149CoatingPO OX POS018OX PO P4 5P ③ -3512349VUSP1101101130SPP4125142.5P① -7 For heavy-industrial large parts 12349 HVSP SY018RTEEXJ SP P5 125 14 2.5P ① -24 1234 AU+SP VSAPS018O SP P4 100 14 2.5P ① -84 M1-MT8a.5ps For helical coil wire ⑱⑲㉑ AL-HT STI TW018R1LEB5 HT Ⅰb 115 17 5P ⑦ -4screw thread insertsTW018R1LEBA1.5P⑦ -4 9⑲㉑ AU+SL VSAPS018OL SL 5P ② -1212349⓾VUPO1102101130POP4125145P③ -6 ⑮⑯⑰⑱⑲⑳㉑ AL-SP STI SW018R1LEN SP Ⅰb 115 17 2.5P ⑦ -11 Long 23 LS-SP SPQ018OL15 SP P2 150 14 2.5P ① -89 M9-MT2a4ps With coolant hole 1234 MC-SP (MSHR018RL15) SP P3 150 14 2.5P ①-208 SPQ018OL20 200 ① -89 (MSHR018RL20) 200 ①-208 LS-PO POS018OL15 PO P4 150 5P ③ -53 MC-PO (MPHS018RL15) PO P4 150 5P ③ -99 POS018OL20 200 ③ -53 M25-MT4a8ps (MPHS018RL20) 200 ③ -99 123 LS-HT TNMQ018O515 HT P2 150 14 5P ④ -76 123 MC-HT (ML15018R5-R) HT P3 150 14 5P ④-134 TNMQ018O520 200 ④ -76 (ML20018R5-R) 200 ④-134 TNMQ018O115 150 1.5P ④ -76 M50-MT1a0p0s (ML15018R1-R) 150 1.5P ④-134 TNMQ018O120 200 ④ -76 (ML20018R1-R) 200 ④-134 Oversize 123 LS-HT TNMR018O515 HT P3 150 14 5P ④ -76 For tUhrneiTfaiaedpdss Nut taps 12 NTTaps / M18 × 2 NH2018R HT Ⅱb 220 14 24P ⑦ -28 TNMR018O115 1.5P ④ -76For left hand123LS-HT LHTNMQ018O515LHTP2150145P④ -83threadsTNMQ018O115L1.5P④ -83 For WhtihtwrTeoaardtphss Standard 23 SP SPR018Q SP P3 100 14 2.5P ① -39 For soft structural steels 12 E-SP ESHMQ018O SP P2 100 14 2.5P ①-128POPOS018QPOP45P③ -15Thread forming taps for steels12N-RZNRZM0018OPROG10 100144P⑥ -17 123 HT TNMS018Q5 HT P4 100 14 5P ④ -12 For high carbon steels 23 HC-SP SCMQ018O SP P2 100 14 2.5P ①-131 ForoSTncrseaewwptinhgresmaadcs(huSisneeMds ) TNMS018Q1 1.5P ④ -12 235 HC-PO PCMS018O PO P4 100 14 5P ③ -77For left hand threads123HT LHTNMS018Q5-LHTP4100145P④ -66For hard-to-machine356EH-POEPHMS018OPOP4100144.5P③ -82TNMS018Q1-L1.5P④ -66materials6⓾EH-HTETHMS018O5HTP4100145P④-120 For Pipe thTreaadpss OxidizingLong 123 PO OX POS018QX PO P4 100 14 5P ③ -3523LS-SPSPR018QL20SPP3200142.5P① -89 ETHMS018O1 2.5P ④-120Powdered356PM-SPSY018OSDPBSPP4100142.75P①-166 FpoirpeAmtherTreicaaadpnss LS-PO POS018QL20 PO P4 5P ③ -53 HSS LS-PM-SP SY018OSDPBG 150 ①-173123LS-HTTNMR018Q520HTP3200145P④ -76PM-POPY018OSDPBPO1005.5P③ -92TNMR018Q1201.5P④ -76LS-PM-POPY018OSDPBG150③ -97 For MtinhiraTetauadrpess For high carbon steels 23 HC-SPFor deep hole use234⑬S-SPNut taps12NT SCMR018Q SP P3 100 14 2.5P ①-131 For titanium alloys ㉒ ZET-B ZETBMR018O SP P3 100 14 3P ①-152SSMR018QSPP3100142.5P①-122ZET-PZETPMT018OSLP55P② -20NH2018QHTⅡ2101425P⑦ -28For nickel base129㉓ZEN-BZENBMR018OSPP3100143P①-160 alloys ZEN-P ZENPMT018O PO P5 4.5P ③ -86 Carbide taps for ultra hard materials 8 UH-CT UHCS018O5 HT P4 100 15 5P ⑤ -28 Sizes-64 Codes shown in ( ) are available while supplies last.