Icons of main materials 1Low carbon steel2Medium carbon steel3Highcarbon steel4Alloy steel5Thermal refineid steel(25i ~35HRC)i6 Therma il refined steel(35~45HRC)
7Thermal refined steel(45~55HRC)i8Th iermal refinedi steel(50~63HRC)9Stainless steel�Toolsteel⓫Cast steel⓬Cast iron
⓭ Ductile cast iron ⓮Copper⓯Brass⓰Brass casting⓱Bronze⓲Wrought aluminum⓳Aluminum alloycasting
⓴Magnesium alloy�Zinc alloy㉒Titanium alloys ㉓Nickel base alloy㉔Thermosetting plastic㉕Thermoplasticresins
Tap selection Main materialSymbolCodeFlute Clas L Ds ℓc Product pageTap selectionMain materialSymbolCodeFlute Clas L Ds ℓc Product page
Note1Note1
Taps /3/4-16UNFTaps /7/8-14UNF
Standard 23SPSPRU12PSP P3 105 15 2.5P ①-42Standard23SPSPRU14QSP P3 115 17 2.5P ①-42
POPORU12PPO 5P ③-18POPORU14QPO 5P ③-18
123HTTNMRU12P5HT P3 105 15 5P ④-24123HTTNMSU14Q5HT P4 115 17 5P ④-24
TNMRU12P11.5P ④-24TNMSU14Q11.5P ④-24
Oversize 123HTTNMSU12P5HT P4 105 15 5P ④-24Oxidizing123SP OXSPRU14QXSP P3 115 17 2.5P ①-64
TNMSU12P11.5P ④-24PO OXPORU14QXPO 5P ③-36
For left hand threads 123HT LHTNMRU12P5-LHT P3 105 15 5P ④-70Long23LS-SPSPRU14QL20SP P3 200 17 2.5P ①-90
Oxidizing 123SP OXSPRU12PXSP P3 105 15 2.5P ①-64LS-POPORU14QL20PO 5P ③-54
PO OXPORU12PXPO 5P ③-36123LS-HTTNMRU14Q115HT P3 150 17 1.5P ④-80
Long 23LS-SPSPRU12PL15SP P3 150 15 2.5P ①-90TNMRU14Q120200 ④-80
SPRU12PL20200 ①-90For stainless steels2349SU-SPSUMRU14QSP P3 115 17 2.5P ①-101
LS-POPORU12PL15PO 150 5P ③-54
PORU12PL20200 ③-54Taps /78-2UNEF
123LS-HTTNMRU12P515HT P3 150 15 5P ④-80Standard23SPSPQU14NSP P2 115 17 2.5P ①-42
TNMRU12P520200 ④-80123HTTNMRU14N5HT P3 115 17 5P ④-24
TNMRU12P115150 1.5P ④-80TNMRU14N11.5P ④-24
TNMRU12P120200 ④-80
For hard-to- machine materials Powdered HSS 356PM-POPYU12PSDPBPO P4 105 15 5.5P ③-93Taps /1-8UC
For stainless steels 2349SU-SPSUMRU12PSP P3 105 15 2.5P ①-101Standard23SPSPRU16XSP P3 125 19 2.5P ①-42
129SU-HTTUMRU12P4HT P3 105 15 4P ④-90POPOSU16XPO P4 5P ③-18
TUMRU12P11.5P ④-90123HTTNMSU16X5HT P4 125 19 5P ④-24
For cast Carbide ⑫⑬⑯N-CT FCTCNSU12P3HT P4 95 14 3P ⑤-14TNMSU16X11.5P ④-24
ironsTCNSU12P11.5P ⑤-14For left hand123HT LHTNMSU16X5-LHT P4 125 19 5P ④-70
For helical coil wire ⑱⑲㉑AL-HT STITWU12P1LEB5HT Ⅰb 115 17 5P ⑦-5threadsTNMSU16X1-L1.5P ④-70
screw thread insertsTWU12P1LEBA1.5P ⑦-5Oxidizing123SP OXSPRU16XXSP P3 125 19 2.5P ①-64
Taps /3/4-20UNEFPO OXPOSU16XXPO P4 5P ③-36
Long23LS-SPSPRU16XL15SP P3 150 19 2.5P ①-90
Standard 23SPSPQU12NSP P2 105 15 2.5P ①-42SPRU16XL20200 ①-90
POPORU12NPO P3 5P ③-18LS-POPOSU16XL15PO P4 150 5P ③-54
123HTTNMRU12N5HT P3 105 15 5P ④-24POSU16XL20200 ③-54
TNMRU12N11.5P ④-24123LS-HTTNMRU16X515HT P3 150 19 5P ④-80
TNMRU16X520200 ④-80
Taps /7/8-9UNCTNMRU16X525250 ④-80
Standard 23SPSPRU14WSP P3 115 17 2.5P ①-42TNMRU16X115150 1.5P ④-80
POPOSU14WPO P4 5P ③-18TNMRU16X120200 ④-80
123HTTNMSU14W5HT P4 115 17 5P ④-24TNMRU16X125250 ④-80
TNMSU14W11.5P ④-24For hard-to- machine materials Powdered HSS356PM-POPYU16XUDPBPO P6 125 19 5.5P ③-93
For left hand 123HT LHTNMSU14W5-LHT P4 115 17 5P ④-70For stainless steels2349SU-SPSUMRU16XSP P3 125 19 2.5P ①-101
threadsTNMSU14W1-L1.5P ④-70For heavy-industrial large parts123 49HVSPSYU16XTEEXJSP P5 160 19 2.5P ①-24
Oxidizing 123SP OXSPRU14WXSP P3 115 17 2.5P ①-64
PO OXPOSU14WXPO P4 5P ③-36Taps /1-12NF
Long 23LS-SPSPRU14WL15SP P3 150 17 2.5P ①-90Standard23SPSPRU16SSP P3 125 19 2.5P ①-42
SPRU14WL20200 ①-90POPOSU16SPO P4 5P ③-18
LS-POPOSU14WL20PO P4 5P ③-54123HTTNMSU16S5HT P4 125 19 5P ④-24
123LS-HTTNMRU14W520HT P3 200 17 5P ④-80TNMSU16S11.5P ④-24
TNMRU14W1201.5P ④-80For left hand123HT LHTNMSU16S5-LHT P4 125 19 5P ④-70
For stainless steels 2349SU-SPSUMRU14WSP P3 115 17 2.5P ①-101threadsTNMSU16S1-L1.5P ④-70

Taps

M3 Taps

Taps

M5

M6

M8

M10

-M8.5

M25-M48Taps

00 M50-M1Taps

For Unified Taps

For Whitworththreads

For Screw threads used (SM)

For American

For Miniaturethreads