Icons of main materials 1 Low carbon steel 2 Medium carbon steel 3 High carbon steel 4 Alloy steel 5 Thermal refined steel(25~35HRC) 6 Thermal refined steel(35~45HRC) 7 Thermal refined steel(45~55HRC) 8 Thermal refined steel(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 M2 Main Product Main Product L Ds ℓc L Ds ℓc Class Class Flute Flute Tap selection Symbol Code Tap selection Symbol Code Ta ps material page material page Note1 Note1 Thread forming taps 12 ⑥-14 Taps / M1 × 0.25 N+RZ NRZP41.2BP RO G4 36 3 4P M3 for steels NRZP41.2BB 2P ⑥-14 Ta ps Standard 123 HT TNMP1.0B5 HT P1 36 3 5P ④-5 NRZP51.2BP G5 4P ⑥-14 TNMP1.0B1 1.5P ④-5 NRZP51.2BB 2P ⑥-14 M4 Ta For left hand threads 123 HT LH TNMP1.0B5-L HT P1 36 3 5P ④-64 Thread forming taps ⑱⑲㉑ N+RS NRSP41.2BP RO G4 36 3 4P ⑥-26 ps TNMP1.0B1-L 1.5P ④-64 for non-ferrous NRSP41.2BB 2P ⑥-26 materials Coating 129⑭ R+V RVP41.0BP RO G4 36 3 4P ⑥-38 NRSP51.2BP G5 4P ⑥-26 M5 ⑱⑲㉑ Ta RVP41.0BB 2P ⑥-38 NRSP51.2BB 2P ⑥-26 ps 1234 RVP51.0BP G5 4P ⑥-38 Thread forming taps for dry tapping 59⑲ OL+RZ OLRZP41.2BP RO G4 36 3 4P ⑥-42 1234 RVP51.0BB 2P ⑥-38 High performance thread forming taps 59⑲ HP+RZ HRZP41.2BB RO G4 36 3 2P ⑥-48 M6 123 Ta Thread forming taps 12 N+RZ NRZP41.0BP RO G4 36 3 4P ⑥-14 Torqueless thread Short chamfer SC-TL-RZ SRZM41.2B1 RO G4 36 3 1P ⑥-58 ps 9⑲㉑ for steels forming taps NRZP41.0BB 2P ⑥-14 Seamless 129 SURZ SURZ41.2BB RO G4 36 3 2P ⑥-60 ⑥-14 M8 Taps / M1.2 × 0.2 NRZP51.0BP G5 4P Ta ps NRZP51.0BB 2P ⑥-14 Thread forming taps ⑱⑲㉑ N+RS NRSP41.0BP RO G4 36 3 4P ⑥-26 Standard 123 HT TNMP1.2A5 HT P1 36 3 5P ④-5 for non-ferrous NRSP41.0BB 2P ⑥-26 TNMP1.2A1 1.5P ④-5 M1 materials Ta 0 ps ⑥-26 Taps / M1.4 × 0.3 NRSP51.0BP G5 4P NRSP51.0BB 2P ⑥-26 1234 M1 Thread forming taps for dry tapping 59⑲ OL+RZ OLRZP41.0BP RO G4 36 3 4P ⑥-42 Standard 23 SP SPP1.4C SP P1 36 3 2.5P ①-37 Ta 2 ps 1234 High performance thread forming taps 59⑲ HP+RZ HRZP41.0BB RO G4 36 3 2P ⑥-48 SP 1.5P SY1.4CPNEBA 1.5P ①-56 123 Torqueless thread Short chamfer 9⑲㉑ SC-TL-RZ SRZM41.0B1 RO G4 36 3 1P ⑥-58 PO POP1.4C PO 5P ③-13 forming taps M1 Seamless 129 SURZ SURZ41.0BB RO G4 36 3 2P ⑥-60 123 HT TNMP1.4C5 HT P1 36 3 5P ④-5 Ta -M ps 8.5 1.5P ④-5 Taps / M1 × 0.2 TNMP1.4C1 Oversize 23 PO POQ1.4C PO P2 36 3 5P ③-13 M9 Standard 123 HT TNMP1.0A5 HT P1 36 3 5P ④-5 POR1.4C P3 ③-13 Ta -M ps 24 TNMP1.0A1 1.5P ④-5 123 HT TNMR1.4C5 HT P3 36 3 5P ④-5 1.5P ④-5 Taps / M1.1 × 0.25 TNMR1.4C1 M2 For left hand threads 123 HT LH TNMP1.4C5-L HT P1 36 3 5P ④-64 Ta 5-M ps 48 Standard 123 HT TNMP1.1B5 HT P1 36 3 5P ④-5 TNMP1.4C1-L 1.5P ④-64 TNMP1.1B1 1.5P ④-5 Oxidizing 123 SP OX SPP1.4CX SP P1 36 3 2.5P ①-63 M5 ③-34 Ta 0-M1 Taps / M1.1 × 0.2 PO OX POP1.4CX PO 5P ps 00 Oversize 123 PO OX POQ1.4CX PO P2 36 3 5P ③-34 Fo Standard 123 HT TNMP1.1A5 HT P1 36 3 5P ④-5 Coating 129⑭ R+V RVP41.4CP RO G4 36 3 4P ⑥-38 rU thr nifie 1.5P ④-5 ⑱⑲㉑ e Ta ads d TNMP1.1A1 RVP41.4CB 2P ⑥-38 ps ⑥-38 Taps / M1.2 × 0.25 RVP51.4CP G5 4P For ⑥-38 W RVP51.4CB 2P thr hitwo e rth Ta ads Standard 23 SP SPP1.2B SP P1 36 3 2.5P ①-37 Thread forming taps 12 N+RZ NRZP41.4CP RO G4 36 3 4P ⑥-14 ps SP 1.5P SY1.2BPNEBA 1.5P ①-56 for steels NRZP41.4CB 2P ⑥-14 For S crew PO POP1.2B PO 5P ③-13 NRZP51.4CP G5 4P ⑥-14 on se threads w us Ta ing mach ed ps( ines 123 HT TNMP1.2B5 HT P1 36 3 5P ④-5 NRZP51.4CB 2P ⑥-14 SM ) TNMP1.2B1 1.5P ④-5 For high carbon steels 235 HC+PO PCPP1.4C PO P1 36 3 5P ③-76 Oversize 123 HT TNMR1.2B5 HT P3 36 3 5P ④-5 For stainless steels 2349 SU-SP SUMP1.4C SP P1 36 3 2.5P ①-99 For P Ta ipe thr 123 ps ead TNMR1.2B1 1.5P ④-5 SU+PO PUPP1.4C PO P1 36 3 5P ③-60 s 49 For left hand threads 123 HT LH TNMP1.2B5-L HT P1 36 3 5P ④-64 For cast Carbide ⑫⑬⑯ N-CT FC TCNR1.4C3 HT P3 34 3 3P ⑤-10 For TNMP1.2B1-L 1.5P ④-64 irons TCNR1.4C1 1.5P ⑤-10 A pip meric e a Ta thre n ps ads Coating 129⑭ R+V RVP41.2BP RO G4 36 3 4P ⑥-38 For aluminum ⑱⑲㉑ LA-HT TY1.4CQLEN5 HT P2 36 3 5P ④-108 ⑱⑲㉑ RVP41.2BB 2P ⑥-38 TY1.4CQLENA 1.5P ④-108 For M thr iniatu RVP51.2BP G5 4P ⑥-38 Carbide ⑲㉑ N-CT LA TCNR1.4C3A HT P3 34 3 3P ⑤-3 e Ta ads e r ps RVP51.2BB 2P ⑥-38 TCNR1.4C1A 1.5P ⑤-3 For improvement, spec may change without advance notice. Sizes-45