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 TMa3ps Taps / M2 × 0.4 For stainless Oversize 2349 SU+SP SUPQ2.0E SP P2 42 3 2.5P ① -98steelsSUPR2.0EP3① -98 General purpose 1 R-Y RY2.0E3 RO - 42 3 3P ⑥ -63 12349 SU+PO PUPR2.0E PO P3 42 3 5P ③ -60 Standard 23 SP SPP2.0E SP P1 42 3 2.5P ① -37 For cast Carbide ⑫⑬⑯ N-CT FC TCNR2.0E3 HT P3 40 3 3P ⑤ -10 TMa4ps +SP SNPP2.0E ① -55 irons TCNR2.0E1 1.5P ⑤ -10 SP 1.5P SY2.0EPNEBA 1.5P ① -56 For aluminum ⑮⑯⑰⑱ AL+SP ASHPQ2.0E SP P2 42 3 2.5P ①-134 TMa5ps PO POQ2.0E PO P2 5P ③ -13 ⑲⑳㉑ AL-SP 1.5P SY2.0EQLENA 1.5P ①-135123HTTNMP2.0E5HTP14235P④ -5⑱⑲㉑LA-HTTY2.0EQLEN5HTP24235P④-108 TNMP2.0E1 1.5P ④ -5 TY2.0EQLENA 1.5P ④-108 TMa6ps Oversize 23 SP SPQ2.0E SP P2 42 3 2.5P ① -37 Carbide ⑲㉑ N-CT LA TCNR2.0E3A HT P3 40 3 3P ⑤ -3SPR2.0EP3① -37TCNR2.0E1A1.5P⑤ -3 SPS2.0E P4 ① -37 Thread forming taps ⑱⑲㉑ N+RS NRSP42.0EP RO G4 42 3 4P ⑥ -26 TMa8ps PO POR2.0E PO P3 5P ③ -13 for non-ferrousmaterials NRSP42.0EB 2P ⑥ -26POS2.0EP4③ -13NRSP52.0EPG54P⑥ -26 123 HT TNMR2.0E5 HT P3 42 3 5P ④ -5 NRSP52.0EB 2P ⑥ -26 MT1a0ps TNMR2.0E1 1.5P ④ -5 NRSP62.0EP G6 4P ⑥ -26TNMS2.0E5P45P④ -5NRSP62.0EB2P⑥ -26 TNMS2.0E1 1.5P ④ -5 Short chamfer ⑲⑳㉑ MG-HT TMGMQ2.0E1 HT P2 42 3 1P ④-116 MT1a2ps For left hand threads 23 SP LH SPP2.0E--L SP P1 42 3 2.5P ① -77 For plastics ㉔ PL1 TPLM2.0E3 HT P4 42 3 3P ④-118123HT LHTNMP2.0E5-LHTP14235P④ -64Thread forming taps1234OL+RZOLRZP42.0EPROG44234P⑥ -42 TNMP2.0E1-L 1.5P ④ -64 for dry tapping 59⑲ OLRZP52.0EP G5 ⑥ -42 M1-MT8a.5ps Oxidizing 123 SP OX SPP2.0EX SP P1 42 3 2.5P ① -63 High performance 1234 HP+RZ HRZP42.0EB RO G4 42 3 2P ⑥ -48PO OXPOQ2.0EXPOP25P③ -34thread forming taps59⑲HRZP52.0EBG5⑥ -48 Oversize 123 PO OX POR2.0EX PO P3 42 3 5P ③ -34 Torqueless thread Short chamfer 1239⑲㉑ SC-TL-RZ SRZM42.0E1 RO G4 42 3 1P ⑥ -58 M9-MT2a4ps Coating 12349⑲㉑ AU+SP VSAPQ2.0E SP P2 42 3 2.5P ① -84 forming taps Seamless 129 SURZ SURZ42.0EB RO G4 42 3 2P ⑥ -6012349⓾VUPO1102101021POP24535P③ -4For deep hole use234⑬S-SPSSMP2.0ESPP14232.5P①-121 1234 PO V VPOQ2.0E PO P2 42 3 5P ③ -48 1234 S-PO PSMQ2.0E PO P2 42 3 5P ③ -73 M25-MT4a8ps 129⑭ R+V RVP42.0EP RO G4 42 3 4P ⑥ -39 Oversize 234⑬ S-SP SSMR2.0E SP P3 42 3 2.5P ①-121⑱⑲㉑RVP42.0EB2P⑥ -391234S-POPSMR2.0EPOP34235P③ -73 RVP52.0EP G5 4P ⑥ -39 Nut taps 12 NT NH22.0E HT Ⅱb 75 1.4 25P ⑦ -27 M50-MT1a0p0s RVP52.0EBRVP62.0EP G6 2P ⑥ -394P⑥ -39Taps / M2 × 0.25 For tUhrneiTfaiaedpdss Long RVP62.0EB 2P ⑥ -39 Standard 23 SP SPP2.0B SP P1 42 3 2.5P ① -3723LS-SPSPFP2.0EL07SPP17032.5P① -87POPOP2.0BPO5P③ -13 LS-PO POFQ2.0EL07 PO P2 5P ③ -51 123 HT TNMP2.0B5 HT P1 42 3 5P ④ -5 For WhtihtwrTeoaardtphss 123 LS-HT TNFP2.0E507 HT P1 70 3 5P ④ -71 TNMP2.0B1 1.5P ④ -5TNFP2.0E1071.5P④ -71Thread forming taps12N-RZNRZM42.0BPROG44234P⑥ -15 Thread forming taps 12 N+RZ NRZP42.0EP RO G4 42 3 4P ⑥ -14 for steels NRZM42.0BB 2P ⑥ -15 For oSTncrseeawwitpnhgresm(aadcsShuinsMeeds ) for steels NRZP42.0EB 2P ⑥ -14NRZP52.0EPG54P⑥ -14 NRZM52.0BP G5 4P ⑥ -15NRZM52.0BB2P⑥ -15 NRZP52.0EB 2P ⑥ -14 Thread forming taps ⑱⑲㉑ N-RS NRSM42.0BP RO G4 42 3 4P ⑥ -27 For Pipe thTreaadpss NRZP62.0EP G6 4P ⑥ -14 for non-ferrousmaterials NRSM42.0BB 2P ⑥ -27NRZP62.0EB2P⑥ -14NRSM52.0BPG54P⑥ -27 FpoirpeAmtherrTeicaaadpnss For high carbon steels 235 HC+PO PCPQ2.0E PO P2 42 3 5P ③ -76For medium hardness carbon steels345MHSL1109101021SLP24535P② -4Long345MHSL2209101021SLP210035P② -4 NRSM52.0BB 2P ⑥ -27 For MtinhiraTetauadrpess Carbide taps for ultra hard materials 8 UH-CT UHCR2.0E5 HT P3 40 4 5P ⑤ -28For stainless steels2349SU+SPSUPP2.0ESPP14232.5P① -9812349SU+POPUPQ2.0EPOP24235P③ -60 129 SU-HT TUMQ2.0E4 HT P2 42 3 4P ④ -88 TUMQ2.0E1 1.5P ④ -88 Sizes-4 Codes shown in ( ) are available while supplies last.