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 Mainmaterial Symbol Code L Ds ℓc Productpage TMap2s Note1 Note1 For high Longspeed 12 LS-F-SP SY027SSFEVKS SP P4 200 20 3P ①-181 For Powdered 356 PM-SP SY027OSDPB SP P4 130 20 2.75P ①-167LS-F-SLLY027SSFEVKSL5.5P② -30hard-to-machineHSSLS-PM-SPSY027OSDPBK200①-173TMap3s For deep hole use 234⑬ S-SP SSMR027S SP P3 130 20 2.5P ①-123 materials PM-PO PY027OSDPB PO 130 5.5P ③ -92 1234 S-POFor heavy-industrial large parts12349HVSP PSMS027S PO P4 130 20 5P ③ -74 LS-PM-PO PY027OSDPBK 200 ③ -97SY027STEEXJSPP5160202.5P① -24For stainless steels2349SU-SPSUMR027OSPP3130202.5P①-100TMap4s With coolant hole 1234 MC-SP (MSHR027SL20) SP P3 200 20 2.5P ①-208 12349 SU-PO PUMS027O PO P4 130 20 5P ③ -62 (MSHR027SL25) 250 ①-208MC-PO(MPHS027SL20)POP42005P③ -99 129 SU-HT TUMS027O4 HT P4 130 20 4P ④ -89TUMS027O11.5P④ -89TMap5s (MPHS027SL25) 250 ③ -99 For deep hole use 234⑬ S-SP SSMR027O SP P3 130 20 2.5P ①-123 123 MC-HT (ML20027S5-R) HT P3 200 20 5P ④-135 1234 S-PO(ML25027S5-R)250④-135For heavy-industrial large parts12349HVSP PSMS027O PO P4 130 20 5P ③ -74SY027OTEEXJSPP5160202.5P① -24TMap6s (ML20027S1-R) 200 1.5P ④-135 With coolant hole 1234 MC-SP (MSHR027OL20) SP P3 200 20 2.5P ①-208 (ML25027S1-R) 250 ④-135Nut taps12NTNH2027SHTⅡb2802227P⑦ -28 (MSHR027OL25) 250 ①-208MC-PO(MPHS027OL20)POP42005P③ -99TMap8s Taps / M27 × 2Standard 23 SP SPR027Q SP P3 130 20 2.5P ① -40 (MPHS027OL25) 250 ③ -99123MC-HT(ML20027O5-R)HTP3200205P④-135(ML25027O5-R)250④-135TMap1s0 PO POS027Q PO P4 5P ③ -16 (ML20027O1-R) 200 1.5P ④-135 123 HT TNMT027Q5 HT P5 130 20 5P ④ -14TNMT027Q11.5P④ -14Nut taps 12 NT (ML25027O1-R) 250 ④-135NH2027OHTⅡ2302225P⑦ -28TMap1s2 For left handthreads 123 HT LH TNMT027Q5-L HT P5 130 20 5P ④ -67TNMT027Q1-L1.5P④ -67Taps / M27 × 1 TMap1s-M8.5 Oxidizing 123 SP OX SPR027QX SP P3 130 20 2.5P ① -64 Standard 23 SP SPQ027M SP P2 130 20 2.5P ① -40 Long 23 LS-SP SPR027QL20 SP P3 200 20 2.5P ① -89 PO POR027M PO P3 5P ③ -16 SPR027QL25 250 ① -89 123 HT TNMR027M5 HT P3 130 20 5P ④ -14 TMap9s-M24 LS-PO POS027QL25 PO P4 5P ③ -53 TNMR027M1 1.5P ④ -14 123 LS-HT TNMR027Q520 HT P3 200 20 5P ④ -77 For left hand 123 HT LH TNMR027M5-L HT P3 130 20 5P ④ -67 TNMR027Q525 250 ④ -77 threads TNMR027M1-L 1.5P ④ -67 TMap2s5-M48 TNMR027Q120TNMR027Q125 200 1.5P ④ -77250④ -77Taps / M28 × 3 For deep hole use 234⑬ S-SP SSMR027Q SP P3 130 20 2.5P ①-123 Standard 123 HT TNMS028S5 HT P4 135 23 5P ④ -14 TMap50s-M100 Nut taps 12 NT NH2027Q HT Ⅱ 250 22 25P ⑦ -28 TNMS028S1 1.5P ④ -14 Taps / M27 × 1.5 Taps / M28 × 2 TtFahoprresUadnsified Standard 23 SP SPR027O SP P3 130 20 2.5P ① -40 Standard 23 SP SPR028Q SP P3 135 23 2.5P ① -40 PO POS027O PO P4 5P ③ -16123HTTNMR027O5HTP3130205P④ -14 PO123HT POS028Q PO P4 5P ③ -16TNMS028Q5HTP4135235P④ -14TtFahorpresWadhsitworth TNMR027O1 1.5P ④ -14 TNMS028Q1 1.5P ④ -14 For left handthreads 23 SP LH SPR027O--L SP P3 130 20 2.5P ① -78 For left handPO LHPOS027O--LPOP45P③ -47threads123HT LH TNMS028Q5-L HT P4 135 23 5P ④ -67TNMS028Q1-L1.5P④ -67TFoaonrspSecwsrie(nwg mtSharceMhaidn)sesused Long 123 HT LH TNMR027O5-L HT P3 130 20 5P ④ -67TNMR027O1-L1.5P④ -67Taps / M28 × 1.523LS-SPSPR027OL20SPP3200202.5P① -89Standard23SP SPR028O SP P3 135 23 2.5P ① -40 TFaorpPsipe threads SPR027OL25 250 ① -89LS-POPOS027OL20POP42005P③ -53POS027OL25250③ -53 PO123HT POS028O PO P4 5P ③ -16TNMR028O5HTP3135235P④ -14TNMR028O11.5P④ -14TFpaoippresAtmhreeraicdasn 123 LS-HT TNMR027O520 HT P3 200 20 5P ④ -77 For left handTNMR027O525250④ -77threadsTNMR027O1202001.5P④ -77Oxidizing123HT LH123SP OX TNMR028O5-L HT P3 135 23 5P ④ -67TNMR028O1-L1.5P④ -67SPR028OXSPP3135232.5P① -64TFtahoprresMadinsiature TNMR027O125 250 ④ -77 For high carbon steels 23 HC-SP SCMR028O SP P3 135 23 2.5P ①-131 For left hand 123 LS-HT LH TNMR027O520L HT P3 200 20 5P ④ -83 Nut taps 12 NT NH2028O HT Ⅱ 240 22 25P ⑦ -28 threads TNMR027O120L 1.5P ④ -83 For high carbon steels 23 HC-SP SCMR027O SP P3 130 20 2.5P ①-131 For improvement, spec may change without advance notice. Sizes-79