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 Mainmaterial Symbol Code L Ds ℓc Productpage Tap selection Mainmaterial Symbol Code L Ds ℓc Productpage Note1 Note1 TMa3ps Taps / M70 × 6 Taps / M75 × 2 Standard 123 HT TH2070Y5 HT Ⅱ 240 55 5P ④ -19 Standard 123 HT TH2075Q5 HT Ⅱ 145 58 5P ④ -20 TH2070Y1 1.5P ④ -19 TH2075Q1 1.5P ④ -20 TMa4ps Taps / M70 × 4 Taps / M75 × 1.5 TMa5ps Standard 123 HT TH2070U5 HT Ⅱ 190 55 5P ④ -19 StandardTH2070U11.5P④ -19123 HT TH2075O5 HT Ⅱ 145 58 5P ④ -20TH2075O11.5P④ -20 Taps / M70 × 3 Taps / M76 × 6 TMa6ps Standard 123 HT TH2070S5 HT Ⅱ 190 55 5P ④ -19 Standard 123 HT TH2076Y5 HT Ⅱ 240 58 5P ④ -20 TH2070S1 1.5P ④ -19 TH2076Y1 1.5P ④ -20 TMa8ps Taps / M70 × 2 Taps / M76 × 4 Standard 123 HT TH2070Q5 HT Ⅱ 140 55 5P ④ -19 Standard 123 HT TH2076U5 HT Ⅱ 190 58 5P ④ -20 MT1a0ps TH2070Q1 1.5P ④ -19 TH2076U1 1.5P ④ -20 Taps / M70 × 1.5 Taps / M76 × 3 MT1a2ps Standard 123 HT TH2070O5 HT Ⅱ 140 55 5P ④ -19 StandardTH2070O11.5P④ -19123 HT TH2076S5 HT Ⅱ 190 58 5P ④ -20TH2076S11.5P④ -20 M1-MT8a.5ps Taps / M72 × 6Standard 123 HT Taps / M76 × 2TH2072Y5HTⅡ240555P④ -19Standard123HT TH2076Q5 HT Ⅱ 145 58 5P ④ -20 TH2072Y1 1.5P ④ -19 TH2076Q1 1.5P ④ -20 M9-MT2a4ps Taps / M72 × 4 Taps / M76 × 1.5 Standard 123 HT TH2072U5 HT Ⅱ 190 55 5P ④ -19 Standard 123 HT TH2076O5 HT Ⅱ 145 58 5P ④ -20 M25-MT4a8ps TH2072U1 1.5P ④ -19 TH2076O1 1.5P ④ -20 Taps / M72 × 3 Taps / M78 × 3 M50-MT1a0p0s Standard 123 HT TH2072S5 HT Ⅱ 190 55 5P ④ -19 Standard 123 HT TH2078S5 HT Ⅱ 190 58 5P ④ -20 TH2072S1 1.5P ④ -19 TH2078S1 1.5P ④ -20 For tUhrneiTfaiaedpdss Taps / M72 × 2 Taps / M78 × 2 Standard 123 HT TH2072Q5 HT Ⅱ 140 55 5P ④ -19 Standard 123 HT TH2078Q5 HT Ⅱ 150 58 5P ④ -20 For WhtihtwrTeoaardtphss TH2072Q1Taps / M72 × 1.5 1.5P ④ -19 TH2078Q1Taps / M80 × 6 1.5P ④ -20 For oSTncrseeawwitpnhgresm(aadcsShuinsMeeds ) Standard 123 HT TH2072O5 HT Ⅱ 140 55 5P ④ -19 StandardTH2072O11.5P④ -19123 HT TH2080Y5 HT Ⅱ 245 58 5P ④ -20TH2080Y11.5P④ -20 Taps / M75 × 6 Taps / M80 × 4 For Pipe thTreaadpss Standard 123 HT TH2075Y5 HT Ⅱ 240 58 5P ④ -19 Standard 123 HT TH2080U5 HT Ⅱ 190 58 5P ④ -20 TH2075Y1FpoirpeAmtherrTeicaaadpnssTaps / M75 × 41.5P④ -19 TH2080U1Taps / M80 × 3 1.5P ④ -20 For MtinhiraTetauadrpess Standard 123 HT TH2075U5 HT Ⅱ 190 58 5P ④ -20 StandardTH2075U11.5P④ -20123 HT TH2080S5 HT Ⅱ 190 58 5P ④ -20TH2080S11.5P④ -20 Taps / M75 × 3 Taps / M80 × 2 Standard 123 HT TH2075S5 HT Ⅱ 190 58 5P ④ -20 Standard 123 HT TH2080Q5 HT Ⅱ 145 58 5P ④ -20 TH2075S1 1.5P ④ -20 TH2080Q1 1.5P ④ -20 Sizes-94 Codes shown in ( ) are available while supplies last.