
Symbol of flute design Spiral Straight Spiral point Left hand spiral Roll Symbol of size Symbol of flute design SP HT PO SL RO Overall length Shank dia. Chamfer length Note 1: Product symbols shown in red mean the Drill hole shape tap suitable for synchronized feed tapping. L Ds ℓc P: B: 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 ⑥-16 Taps / M5.5 × 0.5 N-RZ NRZM77.0JP RO G7 70 6.2 4P M3 for steels NRZM77.0JB 2P ⑥-16 Ta ps 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 irons 1.5P ⑤-11 PO POQ5.5G PO P2 5P ③-14 TCNR7.0J1 M4 Ta 123 HT TNMQ5.5G5 HT P2 62 6 5P ④-7 For Carbide ⑲㉑ N-CT LA TCNR7.0J3A HT P3 62 6.2 3P ⑤-4 ps TNMQ5.5G1 1.5P ④-7 aluminum TCNR7.0J1A 1.5P ⑤-4 Thread forming taps ⑱⑲㉑ ⑥-28 Taps / M6.5 × 0.5 N-RS NRSM77.0JP RO G7 70 6.2 4P M5 for non-ferrous materials NRSM77.0JB 2P ⑥-28 Ta ps Standard 123 ④-8 Taps / M7 × 0.5 HT TNMQ6.5G5 HT P2 70 6.2 5P TNMQ6.5G1 1.5P ④-8 M6 Ta Standard 23 70 6.2 2.5P ①-38 ps Taps / M7 × 1 SP SPQ7.0G SP P2 PO POQ7.0G PO 5P ③-14 Standard 23 SP SPQ7.0M SP P2 70 6.2 2.5P ①-38 123 HT TNMQ7.0G5 HT P2 70 6.2 5P ④-8 M8 Ta ps PO POQ7.0M PO 5P ③-14 TNMQ7.0G1 1.5P ④-8 123 ④-8 Taps / M7.5 × 0.5 HT TNMQ7.0M5T HT P2 70 6.2 5P TNMQ7.0M1T 1.5P ④-8 M1 Ta 0 ps TNMQ7.0M5 5P ④-8 Standard 123 HT TNMQ7.5G5 HT P2 70 6.2 5P ④-8 TNMQ7.0M1 1.5P ④-8 TNMQ7.5G1 1.5P ④-8 Oversize 23 70 6.2 2.5P ①-38 M1 Taps / M8.5 × 1 SP SPR7.0M SP P3 2 Ta ps SPS7.0M P4 ①-38 PO POR7.0M PO P3 5P ③-14 Standard 123 HT TNMQ8.5M5 HT P2 75 7 5P ④-8 M1 123 HT TNMR7.0M5 HT P3 70 6.2 5P ④-8 TNMQ8.5M1 1.5P ④-8 Ta -M ps 8.5 1.5P ④-8 Taps / M8.5 × 0.75 TNMR7.0M1 TNMS7.0M5 P4 5P ④-8 M9 TNMS7.0M1 1.5P ④-8 Standard 123 HT TNMQ8.5J5 HT P2 75 7 5P ④-8 Ta -M ps 24 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 ④-64 Taps / M8.5 × 0.5 HT LH TNMQ7.0M5-L HT P2 70 6.2 5P M2 TNMQ7.0M1-L 1.5P ④-64 Ta 5-M ps 48 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 ③-35 TNMQ8.5G1 1.5P ④-8 M5 Thread forming taps 12 N-RZ NRZM77.0MP RO G7 70 6.2 4P ⑥-16 Ta 0-M1 ps 00 for steels NRZM77.0MB 2P ⑥-16 123 Fo For stainless steels 49 SU-PO PUMQ7.0M PO P2 70 6.2 5P ③-61 rU thr nifie e Ta ads d For cast Carbide ⑫⑬⑯ N-CT FC TCNR7.0M3 HT P3 65 6.2 3P ⑤-11 ps irons TCNR7.0M1 1.5P ⑤-11 For W For Carbide ⑲㉑ N-CT LA TCNR7.0M3A HT P3 65 6.2 3P ⑤-4 thr hitwo e rth aluminum Ta ads TCNR7.0M1A 1.5P ⑤-4 ps Thread forming taps ⑱⑲㉑ N-RS NRSM67.0MP RO G6 70 6.2 4P ⑥-28 For S for non-ferrous ⑥-28 crew NRSM67.0MB 2P on se threads materials w Ta ing mach ed us NRSM77.0MP G7 4P ⑥-28 ps( ines SM ) NRSM77.0MB 2P ⑥-28 Nut taps 12 NT NH27.0M HT Ⅱb 130 5.5 26P ⑦-27 For P Ta ipe thr ps ead s Taps / M7 × 0.75 For A pip meric Standard 23 SP SPQ7.0J SP P2 70 6.2 2.5P ①-38 e a Ta thre n ps ads PO POQ7.0J PO 5P ③-14 123 HT TNMQ7.0J5 HT P2 70 6.2 5P ④-8 For M thr iniatu TNMQ7.0J1 1.5P ④-8 e r Ta ads e ps Oversize 23 PO POR7.0J PO P3 70 6.2 5P ③-14 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