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 Long 12 LS-N-RZ NRZF65.0KP10 RO G6 100 5.5 4P ⑥ -23 Thread forming taps ⑱⑲㉑ N+RS NRSP55.0KP RO G5 60 5.5 4P ⑥ -27 TMa3ps taps for steels NRZF65.0KB10 2P ⑥ -23 for non-ferrousmaterials NRSP55.0KB 2P ⑥ -27 NRZF75.0KP10 G7 4P ⑥ -23 NRSP65.0KP G6 4P ⑥ -27 NRZF75.0KB10 2P ⑥ -23 NRSP65.0KB 2P ⑥ -27 TMa4ps For high carbon steels 23 HC+SP SCPQ5.0K SP P2 60 5.5 2.5P ①-130 NRSP75.0KP G7 4P ⑥ -27 235 HC-PO PCMQ5.0K PO P2 60 5.5 5P ③ -76 NRSP75.0KB 2P ⑥ -27 TMa5ps Oxidizing 23 HC+SP OX SCPQ5.0KX SP P2 60 5.5 2.5P ①-132For hard-to-machine356EH-POEPHMR5.0KPOP3605.54.5P③ -82 NRSP85.0KB G8 ⑥ -27Long⑱⑲㉑LS-N-RSNRSF65.0KP10ROG61005.54P⑥ -36 materials 6⓾ EH-HT ETHMR5.0K5 HT P3 60 5.5 5P ④-120 NRSF65.0KB10 2P ⑥ -36 TMa6ps ETHMR5.0K1 2.5P ④-120Powdered356PM-SPSY5.0KRDPBSPP3605.52.75P①-166 NRSF75.0KP10 G7 4P ⑥ -36NRSF75.0KB102P⑥ -36 HSS LS-PM-SP S45.0KRDPBE 100 ①-172 For plastics ㉔ PL1 TPLM5.0K3 HT P5 60 5.5 3P ④-118 TMa8ps PM-PO PY5.0KRDPB PO 60 5.5P ③ -92 For high speed 12 F-SP VFSHMQ5.0K SP P2 60 5.5 2.5P ①-176LS-PM-POP45.0KRDPBE100③ -96F-SLVFSHMQ5.0KLSL5P② -26 For titanium alloys ㉒ ZET-B ZETBMR5.0K SP P3 60 5.5 3P ①-152 Long 12 LS-F-SP S45.0KQFEVES SP P2 100 5.5 2.5P ①-180 MT1a0ps For nickel base ZET-P ZETPMR5.0K SL 5P ② -20 LS-F-SL L45.0KQFEVE SL 5P ② -30129㉓ZEN-BZENBMR5.0KSPP3605.53P①-160Thread forming taps1234OL+RZOLRZP65.0KPROG6605.54P⑥ -42 alloys ZEN-P ZENPMR5.0K PO 4.5P ③ -86 for dry tapping 59⑲ OLRZP75.0KP G7 ⑥ -42 MT1a2ps For medium hardness carbon steels 345 MHSLLong345MHSL 1109101049 SL P3 70 5.5 5P ② -4 High performance 1234 HP+RZ HRZP65.0KP RO G6 60 5.5 4P ⑥ -492109101049SLP31005.55P② -4thread forming taps59⑲HRZP65.0KB2P⑥ -49 Carbide taps for hard materials 7 EH-CT EHCR5.0K5 HT P3 60 5.5 5P ⑤ -24 HRZP75.0KP G7 4P ⑥ -49 M1-MT8a.5ps Carbide taps for ultra hard materials 8 UH-CTFor stainless steels2349SU+SP UHCR5.0K5 HT P3 60 6 5P ⑤ -28 HRZP75.0KB 2P ⑥ -49SUPQ5.0KSPP2605.52.5P① -98Torqueless threadforming tapsShort chamfer1239⑲㉑SC-TL-RZSRZM65.0K1ROG6605.51P⑥ -58 123 SU+SL SUPR5.0KL SL P3 60 5.5 5P ② -16 For deep hole use 234⑬ S-SP SSMQ5.0K SP P2 60 5.5 2.5P ①-122 M9-MT2a4ps 49 SU-PO PUMQ5.0K PO P2 ③ -61 1234 S-PO PSMQ5.0K PO P2 60 5.5 5P ③ -73 129 SU-HT TUMQ5.0K4 HT P2 60 5.5 4P ④ -88 Oversize 234⑬ S-SP SSMR5.0K SP P3 60 5.5 2.5P ①-122 TUMQ5.0K1 1.5P ④ -88 1234 S-PO PSMR5.0K PO P3 60 5.5 5P ③ -73 M25-MT4a8ps Oversize 2349 SU+SP SUPR5.0K SP P3 60 5.5 2.5P ① -98 PSMS5.0K P4 ③ -73 SUPS5.0K P4 ① -99 Low spiral 23 LO-SP 15° LSHMQ5.0K15 SP P2 60 5.5 2.5P ①-142 123 SU-PO PUMR5.0K PO P3 60 5.5 5P ③ -61 LO-SP 20° LSHMQ5.0K20 ①-142 M50-MT1a0p0s 49 PUMS5.0K P4 ③ -61 LO-SP 8° LSHMQ5.0K8 ①-142 For deep 12349 SU-S-SP SSMQ5.0K-SU SP P2 60 5.5 2.5P ①-117 For helical coil wire ⑱⑲㉑ AL-HT STI TW5.0K1LEB5 HT Ⅰb 62 6 5P ⑦ -3 For tUhrneiTfaiaedpdss hole use 1239 LS-SU-S-SP SY5.0KQGEXES SP P2 100 5.5 2.5P ①-118 screw thread inserts TW5.0K1LEBA 1.5P ⑦ -3SY5.0KQGEXGS150①-118⑮⑯⑰⑱AL-SP STISW5.0K1LENSPⅠb6262.5P⑦ -10LS-SU-S-POPY5.0KQGEXESPO1004.5P③ -70⑲⑳㉑AL-PO STIPW5.0K1LEBPO5P⑦ -18 For WhtihtwrTeoaardtphss PY5.0KQGEXGS 150 ③ -70For hard-to-machine materials12349SU2-SPSU2MQ5.0KSPP2605.53P①-114⑱⑲㉑N-RS STI RW5.0K4LENP RO G4 62 6 4P ⑦ -25RW5.0K4LENB2P⑦ -25 For cast irons ⑫⑬ FC-HT TY5.0KRAEN5 HT P3 60 5.5 5P ④ -92 Oversize ⑱⑲㉑ AL-HT STI TW5.0K3LEB5 HT Ⅰb+30 62 6 5P ⑦ -3 For oSTncrseeawwitpnhgresm(aadcsShuinsMeeds ) TY5.0KRAENA 1.5P ④ -92Carbide⑫⑬⑯N-CT FCTCNR5.0K3HTP3605.53P⑤ -11 TW5.0K3LEBA 1.5P ⑦ -3⑮⑯⑰⑱⑲⑳㉑AL-SP STISW5.0K3LENSPⅠb+306262.5P⑦ -10 TCNR5.0K1 1.5P ⑤ -11 Carbide ⑲㉑ N-CT LA STI TW5.0K1LWB5 HT Ⅰb 62 6 5P ⑦ -26 For Pipe thTreaadpss Long shank, ⑫⑬⑯ LS-N-CT TY5.0KRAWB3E HT P3 100 5.5 3P ⑤ -18 TW5.0K1LWBA 1.5P ⑦ -26carbideTY5.0KRAWBAE1.5P⑤ -18Nut taps12NTNH25.0KHTⅡb1103.628P⑦ -27 FpoirpeAmtherrTeicaaadpnss For aluminum ⑮⑯⑰⑱ AL+SP ASHPR5.0K SP P3 60 5.5 2.5P ①-134⑲⑳㉑AL-SP 1.5PSY5.0KRLENA1.5P①-135Taps / 5M 0.9⑱⑲㉑LA-HTTY5.0KRLEN5HTP3605.55P④-108Standard23SP SPQ5.0L SP P2 60 5.5 2.5P ① -38 For MtinhiraTetauadrpess TY5.0KRLENA 1.5P ④-108Carbide⑲㉑N-CT LATCNR5.0K3AHTP3605.53P⑤ -3TCNR5.0K1A1.5P⑤ -3PO POQ5.0L PO 5P ③ -13123HTTNMQ5.0L53HTP2605.55P④ -7TNMQ5.0L131.5P④ -7 Carbide spiralfluted taps⑱⑲㉑ N-CT-SP SY5.0KRKWB SP P3 60 5.5 2.5P ⑤ -20 For left hand threads 123 HT LH TNMQ5.0L53-L HT P2 60 5.5 5P ④ -64 Carbide spiralpointed taps⑮⑯⑰⑱⑲⑳㉑N-CT-PO PCNR5.0K PO P3 60 5.5 5P ⑤ -21 TNMQ5.0L13-L 1.5P ④ -64 Oxidizing 123 PO OX POQ5.0LX PO P2 60 5.5 5P ③ -35 Sizes-16 Codes shown in ( ) are available while supplies last.