Flute Class 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 Tap selection MainmaterialSymbol Code L Ds ℓc Productpage TMap2s Note1 Note1 For high Long 12 LS-F-SP SY020RSFEVGS SP P4 150 15 3P ①-181 OxidizingspeedLS-F-SLLY020RSFEVGSL5.5P② -30 123 SP OXPO OX SPR020OX SP P3 105 15 2.5P ① -63POS020OXPOP45P③ -35TMap3s For deep hole use 234⑬ S-SP SSMR020R SP P3 105 15 2.5P ①-122 Coating 12349 VUSP 1101101144 SP P4 140 15 2.5P ① -7 1234 S-PO PSMS020R PO P4 105 15 5P ③ -74Oversize234⑬S-SPSSMS020RSPP4105152.5P①-122 1234 AU+SP VSAPS020O SP P4 105 15 2.5P ① -849⑲㉑AU+SLVSAPS020OLSL5P② -12TMap4s 1234 S-PO PSMT020R PO P5 105 15 5P ③ -74 12349⓾ VUPO 1102101144 PO P4 140 15 5P ③ -6 Low spiral Long 23 LS-LO-SP LSHMR020RL20 SP P3 200 15 2.5P ①-149 LongFor heavy-industrial large parts12349HVSPSY020RTEEXJSPP5140152.5P① -2423LS-SP SPR020OL15 SP P3 150 15 2.5P ① -89SPR020OL20200① -89TMap5s For helical coil wire ⑱⑲㉑ AL-HT STI TW020R1LEB5 HT Ⅰb 120 19 5P ⑦ -4 LS-PO POS020OL15 PO P4 150 5P ③ -53 screw thread inserts TW020R1LEBA 1.5P ⑦ -4⑮⑯⑰⑱⑲⑳㉑AL-SP STISW020R1LENSPⅠb120192.5P⑦ -11 POS020OL20 200 ③ -53123LS-HTTNMR020O515HTP3150155P④ -76TMap6s With coolant hole 1234 MC-SP (MSHR020RL15) SP P3 150 15 2.5P ①-208 TNMR020O520 200 ④ -76 (MSHR020RL20) 200 ①-208MC-PO(MPHS020RL15)POP41505P③ -99 TNMR020O115TNMR020O120 150 1.5P ④ -76200④ -76TMap8s (MPHS020RL20) 200 ③ -99 Oversize 123 LS-HT TNMS020O515 HT P4 150 15 5P ④ -76 123 MC-HT (ML15020R5-R) HT P3 150 15 5P ④-134(ML20020R5-R)200④-134 TNMS020O115 1.5P ④ -76For left hand123LS-HT LHTNMR020O515LHTP3150155P④ -83TMap1s0 (ML15020R1-R) 150 1.5P ④-134 threads TNMR020O520L 200 ④ -83 (ML20020R1-R) 200 ④-134Nut taps12NTNH2020RHTⅡb2301626P⑦ -28 TNMR020O115LTNMR020O120L 150 1.5P ④ -83200④ -83TMap1s2 Taps / M20 × 2Standard 23 SP For soft structural steels 12 E-SP ESHMR020O SP P3 105 15 2.5P ①-128Thread forming taps12N-RZSPR020QSPP3105152.5P① -40for steelsNRZM9020OPROG9105154P⑥ -17TMap1s-M8.5NRZM9020OB2P⑥ -17 PO POS020Q PO P4 5P ③ -15 NRZM0020OP G10 4P ⑥ -17 123 HT TNMS020Q5 HT P4 105 15 5P ④ -12 NRZM0020OB 2P ⑥ -17 TMap9s-M24 TNMS020Q1 1.5P ④ -12 For high carbon steels 23 HC-SP SCMR020O SP P3 105 15 2.5P ①-131 For left hand threads 123 HT LH TNMS020Q5-L HT P4 105 15 5P ④ -66 235 HC-PO PCMS020O PO P4 105 15 5P ③ -77 Long 23 LS-SP TNMS020Q1-L 1.5P ④ -66 For hard-to-machine 356 EH-PO EPHMS020O PO P4 105 15 4.5P ③ -82SPR020QL20SPP3200152.5P① -89materials6⓾EH-HTETHMS020O5HTP4105155P④-121TMap2s5-M48 LS-PO POS020QL20 PO P4 5P ③ -53 ETHMS020O1 2.5P ④-121 123 LS-HT TNMR020Q520 HT P3 200 15 5P ④ -76 Powdered 356 PM-SP SY020OSDPB SP P4 105 15 2.75P ①-167 TMap50s-M100 TNMR020Q120 1.5P ④ -76 HSS LS-PM-SP SY020OSDPBG 150 ①-173 For high carbon steels 23 HC-SP SCMR020Q SP P3 105 15 2.5P ①-131For deep hole use234⑬S-SPSSMR020QSPP3105152.5P①-122 PM-PO PY020OSDPB PO 105 5.5P ③ -92LS-PM-POPY020OSDPBG150③ -97TtFahoprresUadnsified Nut taps 12 NT NH2020Q HT Ⅱ 220 16 25P ⑦ -28 For titanium alloys ㉒ ZET-B ZETBMS020O SP P4 105 15 3P ①-152 Taps / M20 × 1.5 For nickel base ZET-P129㉓ZEN-B ZETPMT020O SL P5 5P ② -20ZENBMS020OSPP4105153P①-160TFtahorpresWadhsitworth Standard 23 SP SPR020O SP P3 105 15 2.5P ① -40 alloys ZEN-P ZENPMT020O PO P5 4.5P ③ -86 PO123HT POS020O PO P4 5P ③ -15 Carbide taps for ultra hard materials 8 UH-CTTNMR020O5HTP3105155P④ -12For stainless steels2349SU-SPTNMR020O11.5P④ -1212349SU-POUHCS020O5HTP4105175P ⑤ -28SUMR020OSPP3105152.5P①-100PUMS020OPOP4105155P③ -61TFoaonrspSecwsrienwg m(thSarceMhaidnse)sused Oversize 23 SP SPS020O SP P4 105 15 2.5P ① -40SPT020OP5① -40 129 SU-HT TUMS020O4 HT P4 105 15 4P ④ -89TUMS020O11.5P④ -89TFaopr Psipe threads PO POT020O PO 5P ③ -15123HTTNMS020O5HTP4105155P④ -12TNMS020O11.5P④ -12Oversize2349 SU-SP SUMS020O SP P4 105 15 2.5P ①-10012349SU-POPUMT020OPOP5105155P③ -61For deep1239LS-SU-S-SPSY020ORGEXGSSPP3150152.5P①-119TpFaioppresAtmhreeraicdasn TNMT020O5 P5 5P ④ -12TNMT020O11.5P④ -12For left hand threads23SP LHSPR020O--LSPP3105152.5P① -78hole use SY020ORGEXKS 200 ①-119LS-SU-S-POPY020OSGEXGSPOP41505P③ -71TFtahoprresMadinsiaturePY020OSGEXKS200③ -71 PO LH POS020O--L PO P4 5P ③ -47 For hard-to-machine materials12349SU2-SP SU2MS020O SP P4 105 15 3P ①-114 123 HT LH TNMR020O5-L HT P3 105 15 5P ④ -66 TNMR020O1-L 1.5P ④ -66 For improvement, spec may change without advance notice. Sizes-67