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 Mainmaterial Symbol Code L Ds ℓc Productpage Tap selection Mainmaterial Symbol Code L Ds ℓc Productpage TMap2s Note1 Note1 Taps / M5.5 × 0.5 Thread forming taps 12 N-RZfor steels NRZM77.0JP RO G7 70 6.2 4P ⑥ -16NRZM77.0JB2P⑥ -16TMap3s Standard 23 SP SPP5.5G SP P1 62 6 2.5P ① -38 For cast Carbide ⑫⑬⑯ N-CT FC TCNR7.0J3 HT P3 62 6.2 3P ⑤ -11 PO123HT POQ5.5G PO P2 5P ③ -14 ironsTNMQ5.5G5HTP26265P④ -7For TCNR7.0J1 1.5P ⑤ -11Carbide⑲㉑N-CT LATCNR7.0J3AHTP3626.23P⑤ -4TMap4s TNMQ5.5G1 1.5P ④ -7 aluminum TCNR7.0J1A 1.5P ⑤ -4 Taps / M6.5 × 0.5 Thread forming taps ⑱⑲㉑ N-RSfor non-ferrous materials NRSM77.0JP RO G7 70 6.2 4P ⑥ -28NRSM77.0JB2P⑥ -28TMap5s Standard 123 HT TNMQ6.5G5 HT P2 70 6.2 5P ④ -8 Taps / M7 × 0.5 TNMQ6.5G1Taps / M7 × 1 1.5P ④ -8 Standard 23 SP SPQ7.0G SP P2 70 6.2 2.5P ① -38 TMap6sPOPOQ7.0GPO5P③ -14 Standard 23 SP SPQ7.0M SP P2 70 6.2 2.5P ① -38POPOQ7.0MPO5P③ -14 123 HT TNMQ7.0G5 HT P2 70 6.2 5P ④ -8TNMQ7.0G11.5P④ -8TMap8s 123 HT TNMQ7.0M5T HT P2 70 6.2 5P ④ -8TNMQ7.0M1T1.5P④ -8Taps / M7.5 × 0.5TNMQ7.0M55P④ -8Standard123HT TNMQ7.5G5 HT P2 70 6.2 5P ④ -8 TMap1s0 TNMQ7.0M1 1.5P ④ -8 TNMQ7.5G1 1.5P ④ -8 Oversize 23 SP SPR7.0M SP P3 70 6.2 2.5P ① -38SPS7.0MP4① -38Taps / M8.5 × 1 TMap1s2 PO POR7.0M PO P3 5P ③ -14 Standard 123 HT TNMQ8.5M5 HT P2 75 7 5P ④ -8 123 HT TNMR7.0M5 HT P3 70 6.2 5P ④ -8 TNMQ8.5M1 1.5P ④ -8 TMap1s-M8.5 TNMR7.0M1TNMS7.0M5 P4 1.5P ④ -85P④ -8Taps / M8.5 × 0.75 TNMS7.0M1 1.5P ④ -8 Standard 123 HT TNMQ8.5J5 HT P2 75 7 5P ④ -8 TMap9s-M24 For left hand threads 23 SP LH SPQ7.0M--L SP P2 70 6.2 2.5P ① -77 TNMQ8.5J1 1.5P ④ -8 123 HT LH TNMQ7.0M5-L HT P2 70 6.2 5P ④ -64TNMQ7.0M1-L1.5P④ -64Taps / M8.5 × 0.5 TMap2s5-M48 Oxidizing 123 SP OX SPQ7.0MX SP P2 70 6.2 2.5P ① -63 Standard 123 HT TNMQ8.5G5 HT P2 75 7 5P ④ -8 PO OX POQ7.0MX PO 5P ③ -35Thread forming taps12N-RZNRZM77.0MPROG7706.24P⑥ -16 TNMQ8.5G1 1.5P ④ -8 TMap50s-M100 for steels NRZM77.0MB 2P ⑥ -16 For stainless steels 12349 SU-PO PUMQ7.0M PO P2 70 6.2 5P ③ -61For castCarbide⑫⑬⑯N-CT FCTCNR7.0M3HTP3656.23P⑤ -11 TtFahoprresUadnsified irons TCNR7.0M1 1.5P ⑤ -11 For Carbide ⑲㉑ N-CT LA TCNR7.0M3A HT P3 65 6.2 3P ⑤ -4aluminumTCNR7.0M1A1.5P⑤ -4 TtFahorpresWadhsitworth Thread forming taps ⑱⑲㉑ N-RS NRSM67.0MP RO G6 70 6.2 4P ⑥ -28 for non-ferrousmaterials NRSM67.0MB 2P ⑥ -28NRSM77.0MPG74P⑥ -28 TFoaonrspSecwsrie(nwg mtSharceMhaidn)sesused NRSM77.0MB 2P ⑥ -28 Nut taps 12 NT NH27.0M HT Ⅱb 130 5.5 26P ⑦ -27 TFaorpPsipe threads Taps / M7 × 0.75 Standard 23 SP SPQ7.0J SP P2 70 6.2 2.5P ① -38POPOQ7.0JPO5P③ -14 TFpaoippresAtmhreeraicdasn 123 HT TNMQ7.0J5 HT P2 70 6.2 5P ④ -8TNMQ7.0J11.5P④ -8Oversize23POPOR7.0JPOP3706.25P③ -14 TFtahoprresMadinsiature For left hand threads 123 HT LH TNMQ7.0J5-L HT P2 70 6.2 5P ④ -65 TNMQ7.0J1-L 1.5P ④ -65 For improvement, spec may change without advance notice. Sizes-51