Icons of main materials 1Low carbon steel2Medium carbon steel3High carbon steel4Alloy steel5Thermal refineid steel(25~35HRC)6 Thermal refined steel(35~45HRC)
7Thermal refined steel(45i ~55HRC)i8Ther imal refinedi steel(50~63HRC)9Stainless steel�Toolsteel⓫Cast steel⓬Cast iron
⓭Ductile cast iron⓮Copper⓯Brass⓰Brass casting⓱Bronze⓲Wrought aluminum⓳Aluminum alloy casting
⓴Magnesium alloy�Zinc alloy㉒Titanium alloy㉓Nickel base alloy㉔Thermosetting plastic㉕Thermoplastic resin
Tap selectionMain materialSymbolCodeFlute Class L Ds ℓc Product pageTap selectionMain material Symbol Code Flute Class L Ds ℓc Product page
Note 1Note 1
Taps /2-11Taps /4-11
Rc Standard(ISO standard) Standard234RcTH2RC32UHT Ⅱ140 46 2.5P ⑧-13PT Standard For PT threads234 PT TH2T64U HT Ⅱ170 75 2.5P ⑧-14
PT Standard For PT hd234PTTH2T32UHT Ⅱ120 46 2.5P ⑧-14PS Standard123 PS TH2P64U HT Ⅱ170 75 3.5P ⑧-42
treas123SP-PTSH2T32USP Ⅱ120 46 2.5P ⑧-21PF Standard123 PF TH2F64U HT Ⅱ170 75 3.5P ⑧-71
For PT threads234S-PTTSPT32UHT Ⅱ120 46 2.5P ⑧-17
short (lg) type123SP-S-PTSSPT32USP Ⅱ120 46 2.5P ⑧-22
For left hand For PT threads234PT LHTH2T32U--LHT Ⅱ120 46 2.5P ⑧-15
threads For PT threads short (lg) type234S-PT LHTSPT32U--LHT Ⅱ120 46 2.5P ⑧-18
Longshank For PT threads234LS-PTL20T32UHT Ⅱ200 46 2.5P ⑧-19
Interrupted For PT threads19⑪INT-PTTINT32USL Ⅱ120 46 3P ⑧-26
For PT threads short (lg) type19⑪INT-S-PTTIST32USL Ⅱ120 46 3P ⑧-27
For low carbon steels For PT threads1⑪LC-PTLCPT32UHT Ⅱ120 46 2.5P ⑧-30
For stainless tl For PT threads123 49SU-SP-PTSYPT322GEXSP Ⅱ120 46 2P ⑧-34
sees For PT threads short (lg) type123 49SU-SP-S-PT SYPT322GEXSSP Ⅱ120 46 2P ⑧-35
For cast For PT threads⑫⑬FC-PTFCPT32UHT Ⅱ120 46 2.5P ⑧-36
irons For PT threads short (lg) type⑫⑬FC-S-PTFCSPT32UHT Ⅱ120 46 2.5P ⑧-37
Rp Standard(ISO standard)123RpTH2RP32UHT Ⅱ140 46 3.5P ⑧-40
PS Standard123PSTH2P32UHT Ⅱ120 46 3.5P ⑧-41
SP-PSSH2P32USP 2.5P ⑧-45
For left hand threads123PS LHTH2P32U--LHT Ⅱ120 46 3.5P ⑧-43
G Standard(ISO standard)123GTH2G32UHT Ⅱ140 46 3.5P ⑧-49
PF Standard123PFTH2F32UHT Ⅱ120 46 3.5P ⑧-70
TH2F32U11.5P ⑧-70
SP-PFSH2F32USP 2.5P ⑧-74
For left hand threads123PF LHTH2F32U--LHT Ⅱ120 46 3.5P ⑧-72
Longshank123LS-PFL20F32UHT Ⅱ200 46 3.5P ⑧-73
For cast irons⑫⑬FC-PFFCPF32UHT Ⅱ120 46 3.5P ⑧-78
Taps /21/4-11
PT Standard For PT threads234PTTH2T36UHT Ⅱ145 50 2.5P ⑧-14
PS Standard123PSTH2P36UHT Ⅱ145 50 3.5P ⑧-41
Taps /21/2-11
PT Standard For PT threads234PTTH2T40UHT Ⅱ145 55 2.5P ⑧-14
For PT threads short (lg) type234S-PTTSPT40UHT Ⅱ145 55 2.5P ⑧-17
PS Standard123PSTH2P40UHT Ⅱ145 55 3.5P ⑧-41
PF Standard123PFTH2F40UHT Ⅱ145 55 3.5P ⑧-70
Taps /3-11
PT Standard For PT threads234PTTH2T48UHT Ⅱ155 65 2.5P ⑧-14
For PT threads234S-PTTSPT48UHT Ⅱ15565 25P⑧-17
short (lg) type PS Standard123PSTH2P48U. HT Ⅱ155 65 3.5P ⑧-42
PF Standard123PFTH2F48UHT Ⅱ155 65 3.5P ⑧-71
TH2F48U11.5P ⑧-71
Taps /31/2-11
PT Standard For PT threads234PTTH2T56UHT Ⅱ165 70 2.5P ⑧-14
PS Standard PF Standard123 123PS PFTH2P56U TH2F56UHT Ⅱ165 70 3.5P ⑧-42 HT Ⅱ165 70 3.5P ⑧-71

Taps

M3 Taps

Taps

M5 Taps

M6

M8

M12

-M8.5

M9-M24Taps

M25-M48Taps

M50-M1Taps

For Unified threads Taps

For Screw threads used on sewing machines(SM) Taps

For American

For Miniaturethreads