Icons of main materials 1Low carbon steel2Medium carbon steel3Highcarbon steel4Alloy steel5Thermal refinedi steel(25i ~35HRC)i6 Thermal refined steel(35~45HRC)
7Thermal refined steel(45~55HRC)i8Th iermal refinedi steel(50~63HRC)9Stainless steel�Tool steel⓫Cast steel⓬Cast iron
i ⓭ Ductile cast iron ⓮Copperii ⓯Brassi ⓰Brai ss casting⓱Bronze⓲Wrought aluminum⓳Aluminum alloycasting
⓴Magnesium alloy�Zinc alloy㉒Titanium alloy㉓Nickel base alloy㉔Thermosetting plastic㉕Thermoplasticresin
Tap selection Main materialSymbolCodeFlute Class L Ds ℓc Product pageTap selectionMain materialSymbolCode Flute Class L Ds ℓc Product page
Note1Note1
For cast Carbide ⑫⑬⑯N-CT FCTCNRU07N3HT P3 80 8 3P ⑤-13Standard Oversize123HTTNMSU08N5 HT P4 88 10.5 5P ④-23
ironsTCNRU07N11.5P ⑤-13TNMSU08N1 1.5P ④-23
For helical coil wire ⑱⑲㉑AL-HT STITWU07N1LEB5HT Ⅰb 88 10.5 5P ⑦-5For left hand23SP LHSPQU08N--L SP P2 88 10.5 2.5P ①-78
screw thread insertsTWU07N1LEBA1.5P ⑦-5threadsPO LHPORU08N--L PO P3 5P ③-47
T /7/1624UNOxidizing123SP OXSPQU08NX SP P2 88 10.5 2.5P ①-64
aps -PO OXPORU08NX PO P3 5P ③-36
Standard 123HTTNMRU07M5HT P3 82 8.5 5P ④-23Long23LS-SPSPQU08NL15 SP P2 150 10.5 2.5P ①-90
TNMRU07M11.5P ④-23SPQU08NL20 200 ①-90
Taps /7/16-28UNEFLS-POPORU08NL15 PO P3 150 5P ③-54 PORU08NL20 200 ③-54
Standard 23SPSPQU07KSP P2 82 8.5 2.5P ①-42123LS-HTTNMQU08N515 HT P2 150 10.5 5P ④-80
POPOQU07KPO 5P ③-17TNMQU08N520 200 ④-80
123HTTNMQU07K5HT P2 82 8.5 5P ④-23TNMQU08N115 150 1.5P ④-80
TNMQU07K11.5P ④-23TNMQU08N120 200 ④-80
Taps /1/2-13UNCThread forming taps for steels12N-RZNRZM8U08NP RO G8 88 10.5 4P ⑥-17 NRZM8U08NB 2P ⑥-17
Standard 23SPSPRU08RSP P3 88 10.5 2.5P ①-42For hard-to- machine materials Powdered HSS356PM-POPYU08NSDPB PO P4 88 10.5 5.5P ③-93
POPORU08RPO 5P ③-17For stainless steels2349SU-SPSUMQU08N SP P2 88 10.5 2.5P ①-101
123HTTNMRU08R5HT P3 88 10.5 5P ④-23123 49SU-POPUMRU08N PO P3 88 10.5 5P ③-62
TNMRU08R11.5P ④-23129SU-HTTUMRU08N4 HT P3 88 10.5 4P ④-90
Oversize 123HTTNMSU08R5HT P4 88 10.5 5P ④-23TUMRU08N1 1.5P ④-90
TNMSU08R11.5P ④-23For cast Carbide⑫⑬⑯N-CT FCTCNRU08N3 HT P3 85 9 3P ⑤-13
For left hand 23SP LHSPRU08R--LSP P3 88 10.5 2.5P ①-78ironsTCNRU08N1 1.5P ⑤-13
threadsPO LHPORU08R--LPO 5P ③-47For helical coil wire⑱⑲㉑AL-HT STITWU08N1LEB5 HT Ⅰb 95 12.5 5P ⑦-5
Oxidizing 123SP OXSPRU08RXSP P3 88 10.5 2.5P ①-64screw thread insertsTWU08N1LEBA 1.5P ⑦-5
PO OXPORU08RXPO 5P ③-36
Long 23LS-SPSPRU08RL15SP P3 150 10.5 2.5P ①-90Taps /1/-2UNS
SPRU08RL20200 ①-90Standard123HTTNMRU08M5 HT P3 88 10.5 5P ④-23
LS-POPORU08RL15PO 150 5P ③-54TNMRU08M1 1.5P ④-23
PORU08RL20200 ③-54
123LS-HTTNMRU08R515HT P3 150 10.5 5P ④-79Taps /1/-2UNF
TNMRU08R520200 ④-79Standard23SPSPQU08K SP P2 88 10.5 2.5P ①-42
TNMRU08R115150 1.5P ④-80POPOQU08K PO 5P ③-17
TNMRU08R120200 ④-80123HTTNMQU08K5 HT P2 88 10.5 5P ④-23
Thread forming taps for steels 12N-RZNRZM8U08RPRO G8 88 10.5 4P ⑥-17TNMQU08K1 1.5P ④-23
NRZM8U08RB2P ⑥-17
For hard-to- machine materials Powdered HSS 356PM-POPYU08RSDPBPO P4 88 10.5 5.5P ③-93Taps /1/-3UN
For stainless steels 2349SU-SPSUMRU08RSP P3 88 10.5 2.5P ①-101Standard123HTTNMQU08J5 HT P2 88 10.5 5P ④-23
123 49SU-POPUMRU08RPO P3 88 10.5 5P ③-62TNMQU08J1 1.5P ④-23
129SU-HTTUMRU08R4HT P3 88 10.5 4P ④-90T /9/62UNC
TUMRU08R11.5P ④-90aps-
For cast Carbide ⑫⑬⑯N-CT FCTCNRU08R3HT P3 85 9 3P ⑤-13Standard23SPSPRU09S SP P3 95 12.5 2.5P ①-42
ironsTCNRU08R11.5P ⑤-13POPORU09S PO 5P ③-17
For helical coil wire screw thread inserts ⑱⑲㉑AL-HT STITWU08R1LEB5HT Ⅰb 95 12.5 5P ⑦-5123HTTNMRU09S5 HT P3 95 12.5 5P ④-23
TWU08R1LEBA1.5P ⑦-5TNMRU09S1 1.5P ④-23
Taps /1/2-20UNFTaps /9/16-18UNF
Standard 23SPSPQU08NSP P2 88 10.5 2.5P ①-42Standard23SPSPQU09O SP P2 95 12.5 2.5P ①-42
POPORU08NPO P3 5P ③-17POPORU09O PO P3 5P ③-17
123HTTNMRU08N5 TNMRU08N1HT P3 88 10.5 5P ④-23 1.5P ④-23123HTTNMRU09O5 HT P3 95 12.5 5P ④-23 TNMRU09O1 1.5P ④-23

Taps

Taps

Taps

M5 Taps

M6

M8

M10

M9-M24Taps

M25-M48Taps

M50-M1Taps

Taps

For Screw threads used (SM) Taps

For American

For Miniaturethreads