
| Icons of main materials 1Low carbon steel2 | Medium c | arbon steel | 3High | carbon steel4Alloy s | teel5Thermal refined | i steel(25~ | i 35HRC) | i6 Therm i | al refined steel(35~45HRC) |
| 7Thermal refined steel(45~ | i 55HRC) | i8Ther i | mal refined | i steel(50~63HRC)9S | tainless steel�Tool | steel | ⓫Cast st | eel⓬C | ast iron |
| ⓭Ductile cast iron⓮ | Copper | ⓯Brass | ⓰Bra | ss casting⓱Bronze | ⓲Wrought aluminum | ⓳Alu | minum alloy | casting | |
| ⓴Magnesium alloy� | Zinc alloy | ㉒Tita | nium alloy | s ㉓Nickel base alloy | ㉔Thermosetting plastic | ㉕Th | ermoplastic | resin | s |
| Tap selection | Main material | Symbol Note1 | Code | Flute Clas L Ds ℓc Product page | Tap selection | Main material | Symbol Note1 | Code | Flute Clas L Ds ℓc Product page |
| Thread forming taps | 12 | N+RZ | NRZP54.0IP | RO G5 52 5 4P ⑥-15 | For aluminum | ⑮⑯⑰⑱ | AL+SP | ASHPR4.0I | SP P3 52 5 2.5P ①-134 |
| for steels | NRZP54.0IB | 2P ⑥-15 | ⑲⑳㉑ | AL-SP 1.5P | SY4.0IRLENA | 1.5P ①-135 | |||
| NRZP64.0IP | G6 4P ⑥-15 | ⑱⑲㉑ | LA-HT | TY4.0IRLEN5 | HT P3 52 5 5P ④-108 | ||||
| NRZP64.0IB | 2P ⑥-15 | TY4.0IRLENA | 1.5P ④-108 | ||||||
| NRZP74.0IP | G7 4P ⑥-15 | Carbide | ⑲㉑ | N-CT LA | TCNR4.0I3A | HT P3 52 5 3P ⑤-3 | |||
| NRZP74.0IB | 2P ⑥-15 | TCNR4.0I1A | 1.5P ⑤-3 | ||||||
| NRZP84.0IP | G8 4P ⑥-15 | Carbide spiral fluted taps | ⑱⑲㉑ | N-CT-SP | SY4.0IRKWB | SP P3 52 5 2.5P ⑤-20 | |||
| NRZP84.0IB | 2P ⑥-15 | l Carbide spiral pointed taps | ⑮⑯⑰⑱ ⑲⑳㉑ | N-CT-PO | PCNR4.0I | PO P3 52 5 5P ⑤-21 | |||
| Long | 12 | LS-N-RZ | NRZF64.0IP10 | RO G6 100 5 4P ⑥-23 | Thread forming taps | ⑱⑲㉑ | N+RS | NRSP54.0IP | RO G5 52 5 4P ⑥-27 |
| NRZF64.0IB10 | 2P ⑥-23 | for non-ferrous materials | NRSP54.0IB | 2P ⑥-27 | |||||
| NRZF74.0IP10 | G7 4P ⑥-23 | NRSP64.0IP | G6 4P ⑥-27 | ||||||
| NRZF74.0IB10 | 2P ⑥-23 | NRSP64.0IB | 2P ⑥-27 | ||||||
| For high carbon steels | 23 | HC+SP | SCPQ4.0I | SP P2 52 5 2.5P ①-130 | NRSP74.0IP | G7 4P ⑥-27 | |||
| 235 | HC-PO | PCMQ4.0I | PO P2 52 5 5P ③-76 | NRSP74.0IB | 2P ⑥-27 | ||||
| Oxidizing | 23 | HC+SP OX | SCPQ4.0IX | SP P2 52 5 2.5P ①-132 | NRSP84.0IP | G8 4P ⑥-27 | |||
| For hard-to-machine | 356 | EH-PO | EPHMR4.0I | PO P3 52 5 4.5P ③-82 | NRSP84.0IB | 2P ⑥-27 | |||
| materials | 6⓾ | EH-HT | ETHMR4.0I5 | HT P3 52 5 5P ④-120 | Long | ⑱⑲㉑ | LS-N-RS | NRSF64.0IP10 | RO G6 100 5 4P ⑥-36 |
| ETHMR4.0I1 | 2.5P ④-120 | NRSF64.0IB10 | 2P ⑥-36 | ||||||
| Powdered | 356 | PM-SP | SY4.0IRDPB | SP P3 52 5 2.75P ①-166 | NRSF74.0IP10 | G7 4P ⑥-36 | |||
| HSS | LS-PM-SP | S44.0IRDPBE | 100 ①-172 | NRSF74.0IB10 | 2P ⑥-36 | ||||
| PM-PO | PY4.0IRDPB | PO 52 5.5P ③-92 | Forplastics | ㉔ | PL1 | TPLM4.0I3 | HT P5 52 5 3P ④-118 | ||
| LS-PM-PO | P44.0IRDPBE | 100 ③-96 | For high speed | 12 | F-SP | VFSHMQ4.0I | SP P2 52 5 2.5P ①-176 | ||
| For titanium alloys | ㉒ | ZET-B | ZETBMR4.0I | SP P3 52 5 3P ①-152 | F-SL | VFSHMQ4.0IL | SL 5P ②-26 | ||
| ZET-P | ZETPMR4.0I | SL 5P ②-20 | Long | 12 | LS-F-SP | S44.0IQFEVES | SP P2 100 5 2.5P ①-180 | ||
| For nickel base allos | 129㉓ | ZEN-B | ZENBMR4.0I | SP P3 52 5 3P ①-160 | LS-F-SL | L44.0IQFEVE | SL 5P ②-30 | ||
| y For medium hardness carbon steels | 345 | ZEN-P MHSL | ZENPMR4.0I 1109101042 | PO 4.5P ③-86 SL P3 63 5 5P ②-4 | Thread forming taps for dry tapping | 1234 59⑲ | OL+RZ | OLRZP64.0IP OLRZP74.0IP | RO G6 52 5 4P ⑥-42 G7 ⑥-42 |
| Long | 345 | MHSL | 2109101042 | SL P3 100 5 5P ②-4 | High performance | 1234 | HP+RZ | HRZP64.0IP | RO G6 52 5 4P ⑥-49 |
| Carbide taps for hard materials | 7 | EH-CT | EHCR4.0I5 | HT P3 52 5 5P ⑤-24 | thread forming taps | 59⑲ | HRZP64.0IB | 2P ⑥-49 | |
| Carbide taps for ultra hard materials | 8 | UH-CT | UHCR4.0I5 | HT P3 52 5.5 5P ⑤-28 | HRZP74.0IP | G7 4P ⑥-49 | |||
| For stainless steels | 2349 | SU+SP | SUPQ4.0I | SP P2 52 5 2.5P ①-98 | HRZP74.0IB | 2P ⑥-49 | |||
| 123 | SU+SL | SUPQ4.0IL | SL P2 52 5 5P ②-16 | Torqueless thread formingtaps Short chamfer | 123 9⑲㉑ | SC-TL-RZ | SRZM64.0I1 | RO G6 52 5 1P ⑥-58 | |
| 49 | SU-PO | PUMQ4.0I | PO ③-60 | For deep hole use | 234⑬ | S-SP | SSMQ4.0I | SP P2 52 5 2.5P ①-121 | |
| 129 | SU-HT | TUMQ4.0I4 | HT P2 52 5 4P ④-88 | 1234 | S-PO | PSMQ4.0I | PO P2 52 5 5P ③-73 | ||
| TUMQ4.0I1 | 1.5P ④-88 | Oversize | 234⑬ | S-SP | SSMR4.0I | SP P3 52 5 2.5P ①-121 | |||
| Oversize | 2349 | SU+SP | SUPR4.0I | SP P3 52 5 2.5P ①-98 | 1234 | S-PO | PSMR4.0I | PO P3 52 5 5P ③-73 | |
| SUPS4.0I | P4 ①-98 | PSMS4.0I | P4 ③-73 | ||||||
| 123 | SU-PO | PUMR4.0I | PO P3 52 5 5P ③-60 | Low spiral | 23 | LO-SP 8° | LSHMQ4.0I8 | SP P2 52 5 2.5P ①-142 | |
| 49 | PUMS4.0I | P4 ③-60 | LO-SP 15° | LSHMQ4.0I15 | ①-142 | ||||
| For deep | 123 49 | SU-S-SP | SSMQ4.0I-SU | SP P2 52 5 2.5P ①-117 | LO-SP 20° | LSHMQ4.0I20 | ①-142 | ||
| hole use | 1239 | LS-SU-S-SP | SY4.0IQGEXES | SP P2 100 5 2.5P ①-118 | For helical coil wire | ⑱⑲㉑ | AL-HT STI | TW4.0I1LEB5 | HT Ⅰb 60 5.5 5P ⑦-3 |
| SY4.0IQGEXGS | 150 ①-118 | screw thread inserts | TW4.0I1LEBA | 1.5P ⑦-3 | |||||
| LS-SU-S-PO | PY4.0IQGEXES | PO 100 4.5P ③-70 | ⑮⑯⑰⑱ | AL-SP STI | SW4.0I1LEN | SP Ⅰb 60 5.5 2.5P ⑦-10 | |||
| PY4.0IQGEXGS | 150 ③-70 | ⑲⑳㉑ | AL-PO STI | PW4.0I1LEB | PO 5P ⑦-18 | ||||
| For hard-to- machine materials | 123 49 | SU2-SP | SU2MQ4.0I | SP P2 52 5 3P ①-114 | ⑱⑲㉑ | N-RS STI | RW4.0I4LENP | RO G4 60 5.5 4P ⑦-25 | |
| For cast irons | ⑫⑬ | FC-HT | TY4.0IRAEN5 | HT P3 52 5 5P ④-92 | RW4.0I4LENB | 2P ⑦-25 | |||
| TY4.0IRAENA | 1.5P ④-92 | Oversize | ⑱⑲㉑ | AL-HT STI | TW4.0I3LEB5 | HT Ⅰb+30 60 5.5 5P ⑦-3 | |||
| Carbide | ⑫⑬⑯ | N-CT FC | TCNR4.0I3 | HT P3 52 5 3P ⑤-11 | TW4.0I3LEBA | 1.5P ⑦-3 | |||
| TCNR4.0I1 | 1.5P ⑤-11 | ⑮⑯⑰⑱ ⑲⑳㉑ | AL-SP STI | SW4.0I3LEN | SP Ⅰb+30 60 5.5 2.5P ⑦-10 | ||||
| Long shank, | ⑫⑬⑯ | LS-N-CT | TY4.0IRAWB3E | HT P3 100 5 3P ⑤-18 | Carbide | ⑲㉑ | N-CT LA STI | TW4.0I1LWB5 | HT Ⅰb 60 5.5 5P ⑦-26 |
| carbide | T | Y4.0IRAWBAE | 1.5P ⑤-18 | TW4.0I1LWBA | 1.5P ⑦-26 | ||||
| Nut taps | 12 | NT | NH24.0I | HT Ⅱb 100 2.8 27P ⑦-27 |
Taps
Taps
Taps
M6
M8
M12
-M8.5
M50-M1Taps
Taps
For Whitworththreads
For American
For Miniaturethreads