Flute Class Symbol of flute design Spiral Straight Spiral point Left hand spiral Roll Symbol of size Symbol of flute design SP HT PO SL RO Note 1: Product symbols shown in red mean thetap suitable for synchronized feed tapping. Overall length Shank dia. Chamfer lengthLDsℓcDrill hole shape P: B: Tap selection MainmaterialSymbol Code L Ds ℓc Productpage TMap2s Note 1 Taps / 1-11 1/2 TMap3s NPT Standard For NPT 234 NPT TNPT16T HT ANSI G 95 26 3P ⑧ -80 threads 123 SP-NPT SNPT16T SP ANSI G 95 26 2.5P ⑧ -86For NPT threadsshort (lg) type234S-NPTTSNPT16THTANSI G95263P⑧ -84 TMap4s Long shank For NPT threads 234 LS-NPT TNPT16TL15 HT ANSI G 150 26 3P ⑧ -85 Interrupted For NPT threads 19⑪ INT-NPT TINPT16T SL ANSI G 95 26 3P ⑧ -89For NPT threadsshort (lg) type19⑪INT-S-NPTTISNT16TSLANSI G95263P⑧ -91 TMap5s NPTF Standard 234 NPTF TNTF16T HT ANSI G 95 26 3P ⑧ -92 Long shank 234 LS-NPTF TNTF16TL15 HT ANSI G 150 26 3P ⑧ -96NPSStandard123NPSTNPS16THTANSI G95265P⑧ -97 TMap6s NPSF Standard 123 NPSF TNSF16T HT ANSI G 95 26 5P ⑧ -99 Taps / 1 1/4-11 1/2 TMap8s NPT Standard For NPT threads 234 NPT TNPT20T HT ANSI G 105 32 3P ⑧ -80 For NPT threadsshort (lg) type234S-NPT TSNPT20T HT ANSI G 105 32 3P ⑧ -84InterruptedFor NPT threads19⑪INT-NPTTINPT20TSLANSI G105323P⑧ -89 TMap1s0 For NPT threadsshort (lg) type19⑪INT-S-NPT TISNT20T SL ANSI G 105 32 3P ⑧ -91 NPTF Standard 234 NPTF TNTF20T HT ANSI G 105 32 3P ⑧ -92NPSStandard123NPSTNPS20THTANSI G105325P⑧ -97 TMap1s2 NPSF Standard 123 NPSF TNSF20T HT ANSI G 105 32 5P ⑧ -99 Taps / 1 1/2-11 1/2 TMap1s-M8.5 NPT Standard For NPT threads 234 NPT TNPT24T HT ANSI G 110 38 3P ⑧ -80 For NPT threadsshort (lg) type234S-NPT TSNPT24T HT ANSI G 110 38 3P ⑧ -84 TMap9s-M24 Interrupted For NPT threads 19⑪ INT-NPT TINPT24T SL ANSI G 110 38 3P ⑧ -89 For NPT threadsshort (lg) type19⑪INT-S-NPT TISNT24T SL ANSI G 110 38 3P ⑧ -91NPTFStandard234NPTFTNTF24THTANSI G110383P⑧ -92 TMap2s5-M48 NPS Standard 123 NPS TNPS24T HT ANSI G 110 38 5P ⑧ -97 NPSF Standard 123 NPSF TNSF24T HT ANSI G 110 38 5P ⑧ -99Taps / 2-11 1/2 TMap50s-M100 NPT Standard For NPT threads 234 NPT TNPT32T HT ANSI G 120 46 3P ⑧ -80For NPT threadsshort (lg) type234S-NPTTSNPT32THTANSI G120463P⑧ -84 TtFahoprresUadnsified Interrupted For NPT threads 19⑪ INT-NPT TINPT32T SL ANSI G 120 46 3P ⑧ -89 For NPT threadsshort (lg) type19⑪INT-S-NPT TISNT32T SL ANSI G 120 46 3P ⑧ -91NPTFStandard234NPTFTNTF32THTANSI G120463P⑧ -92 TFtahorpresWadhsitworth NPS Standard 123 NPS TNPS32T HT ANSI G 120 46 5P ⑧ -97 NPSF Standard 123 NPSF TNSF32T HT ANSI G 120 46 5P ⑧ -99Taps / 2 1/2-8 ToFanorspSecwrsien(wg mtSharceMhaidns)esused NPT Standard For NPT threads 234 NPT TNPT40X HT ANSI G 145 55 3P ⑧ -80Taps / 3-8 TFaopr Psipe threads NPT Standard For NPT threads 234 NPT TNPT48X HT ANSI G 155 65 3P ⑧ -80 TpFaioppresAtmhreeraicdasn TFtahoprresMadinsiature For improvement, spec may change without advance notice. Sizes-131