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  Tap selection Mainmaterial Symbol Code L Ds ℓc Productpage Tap selection MainmaterialSymbol Code L Ds ℓc Productpage TMap2s Note1 Note1 Taps / M4 × 0.7 Coating Oversize 123 VUSP49 1101201042 SP P3 63 5 2.5P ① -61101301042P4① -6TMap3s General purpose 1 ISP SI74.0IBP SP - 52 5 2.5P ① -60 123 VUPO 1102201042 PO P4 63 5 5P ③ -4 IPO PI74.0IBP PO 5P ③ -3212IHTHI74.0I5BPHT-5255P④ -50 49⓾ 1102301042 P5 ③ -4Short chamfer12349VUSP 1.5P1103101042SPP26351.5P① -14TMap4s HI74.0I2BP 2P ④ -50 Long 12349 VUSP 2101101042 SP P2 100 5 2.5P ① -7 1 R-Y RY4.0I3 RO - 52 5 3P ⑥ -63Standard23SPSPQ4.0ISPP25252.5P① -37Long12349⓾VUPO23LS-SP 2102101042 PO P3 100 5 5P ③ -6SPFQ4.0IL07SPP27052.5P① -87TMap5s +SP SNPQ4.0I ① -55 SPFQ4.0IL10 100 ① -87 SP 1.5P SY4.0IQNEBA 1.5P ① -56POPOQ4.0IPO5P③ -13 SPFQ4.0IL12SPFQ4.0IL15 120150 ① -87① -87 TMap6s +PO PNPQ4.0I ③ -30 LS-PO POFQ4.0IL07 PO 70 5P ③ -51 123 HT TNMQ4.0I5 HT P2 52 5 5P ④ -6TNMQ4.0I11.5P④ -6 POFQ4.0IL10POFQ4.0IL12 100120 ③ -51③ -51 TMap8s Oversize 23 SP SPR4.0I SP P3 52 5 2.5P ① -37 POFQ4.0IL15 150 ③ -51 SPS4.0I P4 ① -37POPOR4.0IPOP35P③ -13 123 LS-HT TNFQ4.0I507 HT P2 70 5 5P ④ -72TNFQ4.0I510100④ -72TMap1s0 POS4.0I P4 ③ -13 TNFQ4.0I512 120 ④ -72 123 HT TNMR4.0I53 HT P3 52 5 5P ④ -6TNMR4.0I131.5P④ -6 TNFQ4.0I515TNFQ4.0I107 150 ④ -72701.5P④ -72TMap1s2 TNMS4.0I53 P4 5P ④ -6 TNFQ4.0I110 100 ④ -72 TNMS4.0I13 1.5P ④ -6 TNFQ4.0I112 120 ④ -72 TMap1s-M8.5 TNMT4.0I53 P5 5P ④ -6 TNFQ4.0I115 150 ④ -72 TNMT4.0I13 1.5P ④ -6 Oversize 23 LS-SP SPFR4.0IL10 SP P3 100 5 2.5P ① -87 Long neck 12 LKSL 1307101042 SL P3 63 5 5P ② -9 SPFR4.0IL15 150 ① -88 TMap9s-M24 For left hand threads 23 SP LH SPQ4.0I--L SP P2 52 5 2.5P ① -77 LS-PO POFR4.0IL10 PO 100 5P ③ -52 PO LH POQ4.0I--L PO 5P ③ -46 POFR4.0IL15 150 ③ -52 123 HT LH TNMQ4.0I53-L HT P2 52 5 5P ④ -64 123 LS-HT TNFR4.0I510 HT P3 100 5 5P ④ -72 TMap2s5-M48 TNMQ4.0I13-L 1.5P ④ -64 TNFR4.0I515 150 ④ -72 Oxidizing 123 SP OX SPQ4.0IX SP P2 52 5 2.5P ① -63PO OXPOQ4.0IXPO5P③ -34 TNFR4.0I110 100 1.5P ④ -72TNFR4.0I115150④ -72TMap50s-M100 Oversize 123 SP OX SPR4.0IX SP P3 52 5 2.5P ① -63 With neck 23 LS-SP-K SY4.0IQFEBE SP P2 100 5 2.5P ① -95 PO OX POR4.0IX PO 5P ③ -34Coating12349VUSP1101101042SPP26352.5P① -6 SY4.0IQFEBFSY4.0IQFEBG 120150 ① -95① -95 TtFahoprresUadnsified 1234 AU+SP VSAPQ4.0I SP P2 52 5 2.5P ① -84 LS-PO-K PY4.0IQFEBE PO 100 4.5P ③ -58 9⑲㉑ AU+SL VSAPR4.0IL SL P3 5P ② -1212349⓾VUPO1102101042POP36355P③ -4 PY4.0IQFEBFPY4.0IQFEBG 120150 ③ -58③ -58 TFtahorpresWadhsitworth 1234 PO V VPOQ4.0I PO P2 52 5 5P ③ -48 Long neck 12 LKSL XL 2008101042 SL P3 100 5 5P ② -10 129⑭ R+V RVP54.0IP RO G5 52 5 4P ⑥ -39⑱⑲㉑RVP54.0IB2P⑥ -39For left hand 23 LS-SP LH SPFQ4.0IL10L SP P2 100 5 2.5P ① -93threads123LS-HT LHTNFQ4.0I510LHTP210055P④ -82ToFanorspSecwrsien(wg mtSharceMhaidns)esused RVP64.0IP G6 4P ⑥ -39 TNFQ4.0I110L 1.5P ④ -82 RVP64.0IB 2P ⑥ -39RVP74.0IPG74P⑥ -39Coating 1234 LS-SP V VSPFQ4.0IL10 SP P2 100 5 2.5P ① -94LS-PO VVPOFQ4.0IL10PO5P③ -57TFaopr Psipe threads RVP74.0IBRVP84.0IP G8RVP84.0IB 2P ⑥ -39 234 LS-HT V TNFQ4.0I510V HT P2 100 5 5P ④ -844P⑥ -39TNFQ4.0I110V1.5P④ -842P⑥ -39For soft structural steels12E-SPESHMQ4.0ISPP25252.5P①-128TpFaioppresAtmhreeraicdasn TFtahoprresMadinsiature For improvement, spec may change without advance notice. Sizes-11