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 / 1 1/2-6UNC Taps / 1 7/8-8UN Standard 23 SP SPMSU24Z SP P4 165 30 2.5P ① -42 Standard 123 HT TNMTU30X5 HT P5 185 38 5P ④ -25 PO POMTU24Z PO P5 5P ③ -18 TNMTU30X1 1.5P ④ -25 TMa4ps 123 HT TNMTU24Z5 HT P5 165 30 5P ④ -25TNMTU24Z11.5P④ -25Taps / 1 7/8-12UN TMa5ps Oxidizing 123 SP OX SPMSU24ZX SP P4 165 30 2.5P ① -64 StandardFor heavy-industrial large parts12349HVSPSYU24ZUEEXJSPP6200302.5P① -25123HT TNMSU30S5 HT P4 185 38 5P ④ -25TNMSU30S11.5P④ -25 Taps / 1 1/2-8UN Taps / 2 -4 1/2UNC TMa6ps Standard 23 SP SPMRU24X SP P3 165 30 2.5P ① -42 Standard 23 SP SPTU329 SP P5 195 40 2.5P ① -43 123 HT TNMTU24X5 HT P5 165 30 5P ④ -25 123 HT TH2U3295 HT Ⅱ 195 40 5P ④ -25 TMa8ps For heavy-industrial large parts 12349 HVSP TNMTU24X1 1.5P ④ -25SYU24XTEEXJSPP5200302.5P① -25For heavy-industrial large parts12349HVSP TH2U3291 1.5P ④ -25SYU329VEEXJSPP7250402.5P① -25 MT1a0ps Taps / 1 1/2-12UNF Taps / 2 -8UNStandard23SPSPMRU24SSPP3165302.5P① -42Standard123HT TH2U32X5 HT Ⅱ 180 40 5P ④ -25 PO POMSU24S PO P4 5P ③ -18 TH2U32X1 1.5P ④ -25 MT1a2ps Oxidizing 123 HT TNMSU24S5 HT P4 165 30 5P ④ -25 For heavy-industrial large parts 12349 HVSP SYU32XUEEXJ SP P6 250 40 2.5P ① -25123SP OXTNMSU24S11.5P④ -25SPMRU24SXSPP3165302.5P① -64Taps / 2 -12UN M1-MT8a.5ps PO OX POMSU24SX PO P4 5P ③ -36 StandardFor heavy-industrial large parts12349HVSPSYU24SSEEXJSPP4200302.5P① -2523SP SPRU32S SP P3 145 40 2.5P ① -43123HTTH2U32S5HTⅡ130405P④ -25 M9-MT2a4ps Taps / 1 5/8-5UNS TH2U32S1Standard123HTTNMTU2605HTP5175325P④ -25Taps / 2 1/4-8UN1.5P④ -25 TNMTU2601 1.5P ④ -25 Standard 123 HT TH2U36X5 HT Ⅱ 180 44 5P ④ -25 M25-MT4a8ps Taps / 1 5/8-8UN TH2U36X1 1.5P ④ -25 Standard 123 HT TNMTU26X5 HT P5 175 32 5P ④ -25 Taps / 2 1/2-8UN M50-MT1a0p0s TNMTU26X1 1.5P ④ -25 Standard 123 HT TH2U40X5 HT Ⅱ 185 48 5P ④ -25 For tUhrneiTfaiaedpdss Taps / 1 5/8-12UN TH2U40X1Standard123HTTNMSU26S5HTP4175325P④ -25Taps / 2 3/4-8UN1.5P④ -25 TNMSU26S1 1.5P ④ -25 Standard 123 HT TH2U44X5 HT Ⅱ 190 55 5P ④ -25 For WhtihtwrTeoaardtphss Taps / 1 3/4-5UNCStandard 23 SP SPMSU280 SP P4 180 35 2.5P ① -43 Taps / 3 -8UN TH2U44X1 1.5P ④ -25 For oSTncrseeawwitpnhgresm(aadcsShuinsMeeds ) 123 HTFor heavy-industrial large parts12349HVSP TNMUU2805 HT P6 180 35 5P ④ -25 StandardTNMUU28011.5P④ -25SYU280UEEXJSPP6220352.5P① -25123HT TH2U48X5 HT Ⅱ 190 58 5P ④ -25TH2U48X11.5P④ -25 For Pipe thTreaadpss Taps / 1 3/4-8UN FpoirpeAmtherTreicaaadpnss Standard 123 HTFor heavy-industrial large parts12349HVSP TNMTU28X5 HT P5 180 35 5P ④ -25TNMTU28X11.5P④ -25SYU28XTEEXJSPP5220352.5P① -25 For MtinhiraTetauadrpess Taps / 1 3/4-12UNStandard 23 SP SPMRU28S SP P3 180 35 2.5P ① -43 123 HT TNMSU28S5 HT P4 180 35 5P ④ -25 TNMSU28S1 1.5P ④ -25 For heavy-industrial large parts 12349 HVSP SYU28SSEEXJ SP P4 220 35 2.5P ① -25 Sizes-112 Codes shown in ( ) are available while supplies last.