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 Thread forming taps ⑱⑲㉑ N+RS NRSP41.4CP RO G4 36 3 4P ⑥ -26 Thread forming taps 1234 OL+RZ OLRZP41.6DP RO G4 36 3 4P ⑥ -42 TMa3ps for non-ferrousmaterials NRSP41.4CB 2P ⑥ -26 for dry tapping 59⑲ OLRZP61.6DP G6 ⑥ -42 NRSP51.4CP G5 4P ⑥ -26 High performance thread forming taps 123459⑲ HP+RZ HRZP41.6DB RO G4 36 3 2P ⑥ -48 TMa4ps Short chamfer NRSP51.4CB 2P ⑥ -26 Torqueless thread Short chamfer 1239⑲㉑ SC-TL-RZ SRZM41.6D1 RO G4 36 3 1P ⑥ -58⑲⑳㉑MG-HTTMGMQ1.4C1HTP23631P④-116forming tapsSeamless129SURZSURZ41.6DBROG43632P⑥ -60 TMa5ps Thread forming taps for dry tapping 123459⑲ OL+RZ OLRZP41.4CP RO G4 36 3 4P ⑥ -42High performance thread forming taps123459⑲HP+RZHRZP41.4CBROG43632P⑥ -48Taps / M1.6 × 0.2Torqueless threadShort chamfer1239⑲㉑SC-TL-RZSRZM41.4C1ROG43631P⑥ -58Standard123HTTNMP1.6A5HTP13635P④ -5 forming taps Seamless 129 SURZ SURZ41.4CB RO G4 36 3 2P ⑥ -60 TNMP1.6A1 1.5P ④ -5 TMa6ps Taps / M1.4 × 0.2 Torqueless thread Short chamfer 1239⑲㉑ SC-TL-RZ SRZM31.6A1 RO G3 36 3 1P ⑥ -58forming tapsSeamless129SURZSURZ31.6ABROG33632P⑥ -60 TMa8ps Standard 123 HT TNMP1.4A5 HT P1 36 3 5P ④ -5TNMP1.4A11.5P④ -5Taps / M1.7 × 0.35Torqueless threadforming tapsShort chamfer1239⑲㉑SC-TL-RZSRZM31.4A1ROG33631P⑥ -58Standard23SP SPP1.7D SP P1 36 3 2.5P ① -37 MT1a0ps Taps / M1.6 × 0.35Standard 23 SP SPP1.6D SP P1 36 3 2.5P ① -37 SP 1.5P SY1.7DPNEBA 1.5P ① -56POPOQ1.7DPOP25P③ -13123HTTNMP1.7D5HTP13635P④ -5 SP 1.5P SY1.6DPNEBA 1.5P ① -56 TNMP1.7D1 1.5P ④ -5 MT1a2ps PO POQ1.6D PO P2 5P ③ -13 Oversize 23 SP SPQ1.7D SP P2 36 3 2.5P ① -37123HTTNMQ1.6D5HTP23635P④ -5SPR1.7DP3① -37 TNMQ1.6D1 1.5P ④ -5 PO POR1.7D PO 5P ③ -13 M1-MT8a.5ps Oversize 23 PO POR1.6D PO P3 36 3 5P ③ -13For left hand threads123HT LHTNMQ1.6D5-LHTP23635P④ -64 POS1.7D P4 ③ -13123HTTNMR1.7D5HTP33635P④ -5 TNMQ1.6D1-L 1.5P ④ -64 TNMR1.7D1 1.5P ④ -5 M9-MT2a4ps Oxidizing 123 SP OX SPP1.6DX SP P1 36 3 2.5P ① -63 For left hand threads 123 HT LH TNMP1.7D5-L HT P1 36 3 5P ④ -64 PO OX POQ1.6DX PO P2 5P ③ -34 TNMP1.7D1-L 1.5P ④ -64 Coating 129⑭ R+V RVP41.6DP RO G4 36 3 4P ⑥ -38 Oxidizing 123 SP OX SPP1.7DX SP P1 36 3 2.5P ① -63 M25-MT4a8ps ⑱⑲㉑ RVP41.6DB 2P ⑥ -38 PO OX POQ1.7DX PO P2 5P ③ -34 RVP51.6DP G5 4P ⑥ -38 Coating 129⑭ R+V RVP41.7DP RO G4 36 3 4P ⑥ -39 RVP51.6DB 2P ⑥ -38 ⑱⑲㉑ RVP41.7DB 2P ⑥ -39 M50-MT1a0p0s RVP61.6DB G6 ⑥ -38 RVP51.7DP G5 4P ⑥ -39 Thread forming taps 12 N+RZ NRZP41.6DP RO G4 36 3 4P ⑥ -14 RVP51.7DB 2P ⑥ -39 For tUhrneiTfaiaedpdss for steels NRZP41.6DB 2P ⑥ -14NRZP51.6DPG54P⑥ -14 RVP61.7DP G6 4P ⑥ -39RVP61.7DB2P⑥ -39 NRZP51.6DB 2P ⑥ -14 Thread forming taps 12 N+RZ NRZP41.7DP RO G4 36 3 4P ⑥ -14 For WhtihtwrTeoaardtphss For high carbon steels 235 HC+PO PCPQ1.6D PO P2 36 3 5P ③ -76 for steelsFor stainless steels2349SU-SPSUMP1.6DSPP13632.5P① -99 NRZP41.7DB 2P ⑥ -14NRZP51.7DPG54P⑥ -14 For oSTncrseeawwitpnhgresm(aadcsShuinsMeeds ) 12349 SU+PO PUPQ1.6D PO P2 36 3 5P ③ -60For castCarbide⑫⑬⑯N-CT FCTCNR1.6D3HTP33633P⑤ -10ironsTCNR1.6D11.5P⑤ -10 NRZP51.7DB 2P ⑥ -14NRZP61.7DPG64P⑥ -14NRZP61.7DB2P⑥ -14 For aluminum ⑱⑲㉑ LA-HT TY1.6DQLEN5 HT P2 36 3 5P ④-108 For high carbon steels 235 HC+PO PCPQ1.7D PO P2 36 3 5P ③ -76 For Pipe thTreaadpss TY1.6DQLENA 1.5P ④-108 For stainless steels 2349 SU-SP SUMP1.7D SP P1 36 3 2.5P ① -99Carbide⑲㉑N-CT LATCNR1.6D3AHTP33633P⑤ -312349SU+POPUPQ1.7DPOP23635P③ -60 FpoirpeAmtherrTeicaaadpnss Thread forming taps ⑱⑲㉑ N+RSfor non-ferrousmaterials TCNR1.6D1A 1.5P ⑤ -3 Oversize 2349 SU-SP SUMQ1.7D SP P2 36 3 2.5P ① -99NRSP41.6DPROG43634P⑥ -26For castCarbide⑫⑬⑯N-CT FCTCNR1.7D3HTP33633P⑤ -10NRSP41.6DB2P⑥ -26ironsTCNR1.7D11.5P⑤ -10 For MtinhiraTetauadrpess Short chamfer NRSP51.6DP G5 4P ⑥ -26 For Carbide ⑲㉑ N-CT LA TCNR1.7D3A HT P3 36 3 3P ⑤ -3NRSP51.6DB2P⑥ -26aluminumTCNR1.7D1A1.5P⑤ -3⑲⑳㉑MG-HTTMGMQ1.6D1HTP23631P④-116 Sizes-46 Codes shown in ( ) are available while supplies last.