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 taps 12 N+RZ NRZP53.0GP RO G5 46 4 4P ⑥ -15 For aluminum ⑮⑯⑰⑱ AL+SP ASHPQ3.0G SP P2 46 4 2.5P ①-134 TMa3ps for steels NRZP53.0GB 2P ⑥ -15 ⑲⑳㉑ AL-SP 1.5P SY3.0GQLENA 1.5P ①-135 NRZP63.0GP G6 4P ⑥ -15 ⑱⑲㉑ LA-HT TY3.0GQLEN5 HT P2 46 4 5P ④-108 NRZP63.0GB 2P ⑥ -15 TY3.0GQLENA 1.5P ④-108 TMa4ps NRZP73.0GP G7 4P ⑥ -15 Carbide ⑲㉑ N-CT LA TCNR3.0G3A HT P3 46 4 3P ⑤ -3 NRZP73.0GB 2P ⑥ -15 TCNR3.0G1A 1.5P ⑤ -3 TMa5ps NRZP83.0GP G8 4P ⑥ -15 Carbide spiralfluted taps⑱⑲㉑N-CT-SP SY3.0GRKWB SP P3 46 4 2.5P ⑤ -20NRZP83.0GB2P⑥ -15Carbide spiralpointed taps⑮⑯⑰⑱⑲⑳㉑N-CT-POPCNR3.0GPOP34645P⑤ -21 Long 12 LS-N-RZ NRZF53.0GP10 RO G5 100 4 4P ⑥ -23 Thread forming taps ⑱⑲㉑ N+RS NRSP53.0GP RO G5 46 4 4P ⑥ -26 TMa6ps NRZF53.0GB10 2P ⑥ -23 for non-ferrousmaterials NRSP53.0GB 2P ⑥ -26NRZF63.0GP10G64P⑥ -23NRSP63.0GPG64P⑥ -27 NRZF63.0GB10 2P ⑥ -23 NRSP63.0GB 2P ⑥ -27 TMa8ps For high carbon steels 23 HC+SP235HC-PO SCPP3.0G SP P1 46 4 2.5P ①-130PCMQ3.0GPOP24645P③ -76 NRSP73.0GP G7 4P ⑥ -27NRSP73.0GB2P⑥ -27 Oxidizing 23 HC+SP OX SCPP3.0GX SP P1 46 4 2.5P ①-132 NRSP83.0GP G8 4P ⑥ -27 MT1a0ps For hard-to-machine 356 EH-PO EPHMR3.0G PO P3 46 4 4.5P ③ -82materials6⓾EH-HTETHMR3.0G5HTP34645P④-120 NRSP83.0GB 2P ⑥ -27Long⑱⑲㉑LS-N-RSNRSF53.0GP10ROG510044P⑥ -36 ETHMR3.0G1 2.5P ④-120 NRSF53.0GB10 2P ⑥ -36 MT1a2ps Powdered 356 PM-SP SY3.0GRDPB SP P3 46 4 2.75P ①-166HSSLS-PM-SPS43.0GRDPBE100①-172 NRSF63.0GP10 G6 4P ⑥ -36NRSF63.0GB102P⑥ -36 PM-PO PY3.0GRDPB PO 46 5.5P ③ -92 Short chamfer ⑲⑳㉑ MG-HT TMGMQ3.0G1 HT P2 46 4 1P ④-116 M1-MT8a.5ps For titanium alloys LS-PM-PO P43.0GRDPBE 100 ③ -96 For plastics㉒ZET-BZETBMQ3.0GSPP24643P①-152For high speed㉔PL1 TPLM3.0G3 HT P5 46 4 3P ④-11812F-SPVFSHMQ3.0GSPP24642.5P①-176 ZET-P ZETPMR3.0G SL P3 5P ② -20 F-SL VFSHMQ3.0GL SL 5P ② -26 M9-MT2a4ps For nickel basealloys 129㉓ ZEN-B ZENBMQ3.0G SP P2 46 4 3P ①-160ZEN-PZENPMR3.0GPOP34.5P③ -86Long 12 LS-F-SP S43.0GQFEVES SP P2 100 4 2.5P ①-180LS-F-SLL43.0GQFEVESL5P② -30 For medium hardness carbon steels 345 MHSL 1109101035 SL P3 56 4 5P ② -4 Thread forming taps 1234 OL+RZ OLRZP53.0GP RO G5 46 4 4P ⑥ -42 M25-MT4a8ps Long 345 MHSL 2109101035 SL P3 100 4 5P ② -4 for dry tapping 59⑲ OLRZP63.0GP G6 ⑥ -42 Carbide taps for hard materials 7 EH-CT EHCR3.0G5 HT P3 46 4 5P ⑤ -24 High performance 1234 HP+RZ HRZP53.0GP RO G5 46 4 4P ⑥ -48 Carbide taps for ultra hard materials 8 UH-CT UHCR3.0G5 HT P3 46 5 5P ⑤ -28 thread forming taps 59⑲ HRZP53.0GB 2P ⑥ -48 M50-MT1a0p0s For stainless steels 2349 SU+SP SUPP3.0G SP P1 46 4 2.5P ① -98 HRZP63.0GP G6 4P ⑥ -48 123 SU+SL SUPQ3.0GL SL P2 46 4 5P ② -16 HRZP63.0GB 2P ⑥ -48 For tUhrneiTfaiaedpdss 49 SU-PO PUMQ3.0G PO ③ -60 Torqueless thread Short chamfer 1239⑲㉑ SC-TL-RZ SRZM53.0G1 RO G5 46 4 1P ⑥ -58129SU-HTTUMQ3.0G4HTP24644P④ -88forming tapsSeamless129SURZSURZ53.0GBROG54642P⑥ -60 TUMQ3.0G1 1.5P ④ -88 For deep hole use 234⑬ S-SP SSMP3.0G-3 SP P1 46 4 2.5P ①-121 For WhtihtwrTeoaardtphss Oversize 2349 SU+SP SUPQ3.0G SP P2 46 4 2.5P ① -98 1234 S-PO PSMQ3.0G PO P2 46 4 5P ③ -73SUPR3.0GP3① -98Oversize234⑬S-SPSSMQ3.0GSPP24642.5P①-121 123 SU-PO PUMR3.0G PO P3 46 4 5P ③ -60 SSMR3.0G P3 ①-121 For oSTncrseeawwitpnhgresm(aadcsShuinsMeeds ) 49 PUMS3.0G P4 ③ -60 1234 S-PO PSMR3.0G PO P3 46 4 5P ③ -73For deep12349SU-S-SPSSMP3.0G-SUSPP14642.5P①-117Low spiral23LO-SP 8°LSHMP3.0G8SPP14642.5P①-142hole use1239LS-SU-S-SPSY3.0GPGEXESSPP110042.5P①-118LO-SP 15°LSHMP3.0G15①-142 For Pipe thTreaadpss LS-SU-S-PO PY3.0GQGEXES PO P2 4.5P ③ -70 LO-SP 20° LSHMP3.0G20 ①-142For hard-to-machine materials12349SU2-SPSU2MQ3.0GSPP24643P①-114For helical coil wire⑱⑲㉑AL-HT STITW3.0G1LEB5HTⅠb5255P⑦ -3 FpoirpeAmtherrTeicaaadpnss For cast irons ⑫⑬ FC-HT TY3.0GRAEN5 HT P3 46 4 5P ④ -92 screw thread inserts TW3.0G1LEBA 1.5P ⑦ -3TY3.0GRAENA1.5P④ -92⑮⑯⑰⑱AL-SP STISW3.0G1LENSPⅠb5252.5P⑦ -10Carbide⑫⑬⑯N-CT FCTCNR3.0G3HTP34643P⑤ -11⑲⑳㉑AL-PO STIPW3.0G1LEBPO5P⑦ -18 For MtinhiraTetauadrpess TCNR3.0G1 1.5P ⑤ -11Long shank,⑫⑬⑯LS-N-CTTY3.0GRAWB3EHTP310043P⑤ -18carbideTY3.0GRAWBAE1.5P⑤ -18⑱⑲㉑N-RS STI RW3.0G3LENP RO G3 52 5 4P ⑦ -25RW3.0G3LENB2P⑦ -25 Sizes-8 Codes shown in ( ) are available while supplies last.