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 Note 1 Note 1 TMa3ps Taps / 1/16-27 Taps / 3/8-18 NPT Standard For NPT 234 NPT TNPT01L HT ANSI G 54 8 3P ⑧ -80 NPT Standard For NPT 234 NPT TNPT06O HT ANSI G 65 14 3P ⑧ -80 threads 123 SP-NPT SNPT01L SP ANSI G 54 8 2.5P ⑧ -86 threads 123 SP-NPT SNPT06O SP ANSI G 65 14 2.5P ⑧ -86 TMa4ps For NPT threadsshort (lg) type234S-NPT TSNPT01L HT ANSI G 54 8 3P ⑧ -84 For NPT threadsshort (lg) type234S-NPT TSNPT06O HT ANSI G 65 14 3P ⑧ -84 Long For NPT 234 LS-NPT TNPT01LL10 HT ANSI G 100 8 3P ⑧ -85 Long For NPT 234 LS-NPT TNPT06OL10 HT ANSI G 100 14 3P ⑧ -85 TMa5ps shank threads TNPT01LL15 150 ⑧ -85 shank threads TNPT06OL15 150 ⑧ -85InterruptedFor NPT threads19⑪INT-NPTTINPT01LSLANSI G5483P⑧ -89For NPT threadsshort (lg) type123LS-SP-S-NPTSSNPT06OL15SPANSI G150142.5P⑧ -88 For NPT threadsshort (lg) type19⑪INT-S-NPT TISNT01L SL ANSI G 54 8 3P ⑧ -91 Interrupted For NPT threads 19⑪ INT-NPT TINPT06O SL ANSI G 65 14 3P ⑧ -89 TMa6ps NPTF StandardLong shank 234 NPTF TNTF01L HT ANSI G 54 8 3P ⑧ -92 For NPT threadsshort (lg) type19⑪INT-S-NPT TISNT06O SL ANSI G 65 14 3P ⑧ -91234LS-NPTFTNTF01LL10HTANSI G10083P⑧ -96NPTFStandard234NPTFTNTF06OHTANSI G65143P⑧ -92 TNTF01LL15 150 ⑧ -96 Long shank 234 LS-NPTF TNTF06OL10 HT ANSI G 100 14 3P ⑧ -96 TMa8ps NPS StandardNPSFStandard 123 NPS TNPS01L HT ANSI G 54 8 5P ⑧ -97123NPSFTNSF01LHTANSI G5485P⑧ -99NPSStandard TNTF06OL15 150 ⑧ -96123NPSTNPS06OHTANSI G65145P⑧ -97 MT1a0ps Taps / 1/8-27NPTStandardFor NPT 234 NPT NPSF Standard 123 NPSF TNSF06O HT ANSI G 65 14 5P ⑧ -99TNPT02LHTANSI G5583P⑧ -80Taps / 1/2-14 threads 123 SP-NPT SNPT02L SP ANSI G 55 8 2.5P ⑧ -86 NPT Standard For NPT 234 NPT TNPT08Q HT ANSI G 80 18 3P ⑧ -80 MT1a2ps For NPT threadsshort (lg) type234S-NPT TSNPT02L HT ANSI G 55 8 3P ⑧ -84LongFor NPT234LS-NPTTNPT02LL10HTANSI G10083P⑧ -85threads123SP-NPT SNPT08Q SP ANSI G 80 18 2.5P ⑧ -86For NPT threadsshort (lg) type234S-NPTTSNPT08QHTANSI G80183P⑧ -84 shank threads TNPT02LL15 150 ⑧ -85 Long For NPT threads 234 LS-NPT TNPT08QL15 HT ANSI G 150 18 3P ⑧ -85 M1-MT8a.5ps For NPT threadsshort (lg) type123LS-SP-S-NPT SSNPT02LL10 SP ANSI G 100 8 2.5P ⑧ -88 shank For NPT threadsshort (lg) type123LS-SP-S-NPT SSNPT08QL15 SP ANSI G 150 18 2.5P ⑧ -88InterruptedFor NPT threads19⑪INT-NPTTINPT02LSLANSI G5583P⑧ -89InterruptedFor NPT threads19⑪INT-NPTTINPT08QSLANSI G80183P⑧ -89 For NPT threadsshort (lg) type19⑪INT-S-NPT TISNT02L SL ANSI G 55 8 3P ⑧ -91 For NPT threadsshort (lg) type19⑪INT-S-NPT TISNT08Q SL ANSI G 80 18 3P ⑧ -91 M9-MT2a4ps NPTF Standard 234 NPTF TNTF02L HT ANSI G 55 8 3P ⑧ -92 NPTF Standard 234 NPTF TNTF08Q HT ANSI G 80 18 3P ⑧ -92 Long shank 234 LS-NPTF TNTF02LL10 HT ANSI G 100 8 3P ⑧ -96 Long shank 234 LS-NPTF TNTF08QL15 HT ANSI G 150 18 3P ⑧ -96 TNTF02LL15 150 ⑧ -96 NPS Standard 123 NPS TNPS08Q HT ANSI G 80 18 5P ⑧ -97 M25-MT4a8ps NPS Standard 123 NPS TNPS02L HT ANSI G 55 8 5P ⑧ -97 NPSF Standard 123 NPSF TNSF08Q HT ANSI G 80 18 5P ⑧ -99 NPSF Standard 123 NPSF TNSF02L HT ANSI G 55 8 5P ⑧ -99 Taps / 3/4-14 M50-MT1a0p0s Taps / 1/4-18NPTStandardFor NPT 234 NPT NPT Standard For NPT 234 NPT TNPT12Q HT ANSI G 85 23 3P ⑧ -80TNPT04OHTANSI G62113P⑧ -80threads123SP-NPTSNPT12QSPANSI G85232.5P⑧ -86 For tUhrneiTfaiaedpdss threads 123 SP-NPT SNPT04O SP ANSI G 62 11 2.5P ⑧ -86 For NPT threadsshort (lg) type234S-NPT TSNPT12Q HT ANSI G 85 23 3P ⑧ -84For NPT threadsshort (lg) type234S-NPTTSNPT04OHTANSI G62113P⑧ -84LongFor NPT threads234LS-NPTTNPT12QL15HTANSI G150233P⑧ -85 Long For NPT 234 LS-NPT TNPT04OL10 HT ANSI G 100 11 3P ⑧ -85 shank For NPT threadsshort (lg) type123LS-SP-S-NPT SSNPT12QL15 SP ANSI G 150 23 2.5P ⑧ -88 For WhtihtwrTeoaardtphss shank threads TNPT04OL15 150 ⑧ -85 Interrupted For NPT threads 19⑪ INT-NPT TINPT12Q SL ANSI G 85 23 3P ⑧ -89For NPT threadsshort (lg) type123LS-SP-S-NPTSSNPT04OL15SPANSI G150112.5P⑧ -88For NPT threadsshort (lg) type19⑪INT-S-NPTTISNT12QSLANSI G85233P⑧ -91 Interrupted For NPT threads 19⑪ INT-NPT TINPT04O SL ANSI G 62 11 3P ⑧ -89 NPTF Standard 234 NPTF TNTF12Q HT ANSI G 85 23 3P ⑧ -92 For oSTncrseeawwitpnhgresm(aadcsShuinsMeeds ) For NPT threadsshort (lg) type19⑪INT-S-NPT TISNT04O SL ANSI G 62 11 3P ⑧ -91 Long shankNPTFStandard234NPTFTNTF04OHTANSI G62113P⑧ -92NPSStandard234LS-NPTF TNTF12QL15 HT ANSI G 150 23 3P ⑧ -96123NPSTNPS12QHTANSI G85235P⑧ -97 Long shank 234 LS-NPTF TNTF04OL10 HT ANSI G 100 11 3P ⑧ -96 NPSF Standard 123 NPSF TNSF12Q HT ANSI G 85 23 5P ⑧ -99 For Pipe thTreaadpss NPS Standard TNTF04OL15 150 ⑧ -96123NPSTNPS04OHTANSI G62115P⑧ -97 FpoirpeAmtherrTeicaaadpnss NPSF Standard 123 NPSF TNSF04O HT ANSI G 62 11 5P ⑧ -99 For MtinhiraTetauadrpess Sizes-130 Codes shown in ( ) are available while supplies last.