⓭ Ductile cast iron ⓮ Copper ⓯ Brass ⓰ Brass casting ⓱ Bronze ⓲ Wrought aluminum ⓳ Aluminum alloy casting

⓴ Magnesium alloy Zinc alloy ㉒ Titanium alloy ㉓ Nickel base alloy ㉔ Thermosetting plastic ㉕ Thermoplastic resin

M2 Tap selection Main ℓ Product Tap selection Main ℓ Product

Symbol Code L D Symbol Code L D

material s c page material s c page

Taps Note 1 Note 1 Taps / 1/16-27 Taps / 3/8-18 M3

Taps

NPT Standard For NPT234NPTTNPT01LHT ANSI G 5483P⑧ -80NPT Standard For NPT234NPTTNPT06OHT ANSI G 65 143P⑧ -80
threads123threads123
SP-NPTSNPT01LSP ANSI G 548 2.5P⑧ -86SP-NPTSNPT06OSP ANSI G 65 14 2.5P⑧ -86
M4For NPT threads234For NPT threads234
S-NPTTSNPT01LHT ANSI G 5483P⑧ -84S-NPTTSNPT06OHT ANSI G 65 143P⑧ -84
Tapsshort (lg) typeshort (lg) type
Long For NPT234LS-NPTTNPT01LL10HT ANSI G 100 83P⑧ -85Long For NPT234LS-NPTTNPT06OL10HT ANSI G 100 143P⑧ -85
shank threadsshank threads
TNPT01LL15150⑧ -85TNPT06OL15150⑧ -85
M5
Interrupted For NPT threads19⑪INT-NPTTINPT01LSL ANSI G 5483P⑧ -89For NPT threads123LS-SP-S-NPT SSNPT06OL15 SP ANSI G 150 14 2.5P⑧ -88
Tapsshort (lg) type
For NPT threads19⑪INT-S-NPTTISNT01LSL ANSI G 5483PInterrupted For NPT threads19⑪
short (lg) type-91INT-NPTTINPT06OSL ANSI G 65 143P-89
NPTF Standard234NPTFTNTF01LHT ANSI G 5483PFor NPT threads19⑪INT-S-NPTTISNT06OSL ANSI G 65 143P
-92short (lg) type-91
M6
TapsLong shank234LS-NPTFTNTF01LL10HT ANSI G 100 83P⑧ -96NPTF Standard234NPTFTNTF06OHT ANSI G 65 143P⑧ -92
TNTF01LL15150⑧ -96Long shank234LS-NPTFTNTF06OL10HT ANSI G 100 143P⑧ -96
NPS Standard123NPSTNPS01LHT ANSI G 5485P⑧ -97TNTF06OL15150⑧ -96
M8
TapsNPSF Standard123NPSFTNSF01LHT ANSI G 5485P⑧ -99NPS Standard123NPSTNPS06OHT ANSI G 65 145P⑧ -97
Taps / 1/8-27NPSF Standard123NPSFTNSF06OHT ANSI G 65 145P⑧ -99
M10Taps / 1/2-14
TapsNPT Standard For NPT234NPTTNPT02LHT ANSI G 5583P⑧ -80
threads
123SP-NPTSNPT02LSP ANSI G 558 2.5P⑧ -86NPT Standard For NPT234NPTTNPT08QHT ANSI G 80 183P⑧ -80
For NPT threads234threads123
M12short (lg) typeS-NPTTSNPT02LHT ANSI G 5583P⑧ -84SP-NPTSNPT08QSP ANSI G 80 18 2.5P⑧ -86
TapsLong For NPT234LS-NPTTNPT02LL10HT ANSI G 100 83P⑧ -85For NPT threads234S-NPTTSNPT08QHT ANSI G 80 183P⑧ -84
shank threadsshort (lg) type
TNPT02LL15150⑧ -85Long For NPT threads234LS-NPTTNPT08QL15HT ANSI G 150 183P⑧ -85
For NPT threads123shank For NPT threads123
short (lg) typeLS-SP-S-NPT SSNPT02LL10 SP ANSI G 100 8 2.5P⑧ -88short (lg) typeLS-SP-S-NPT SSNPT08QL15 SP ANSI G 150 18 2.5P⑧ -88
-M8.5
M1 TapsInterrupted For NPT threads19⑪Interrupted For NPT threads19⑪
INT-NPTTINPT02LSL ANSI G 5583P⑧ -89INT-NPTTINPT08QSL ANSI G 80 183P⑧ -89
For NPT threads19⑪INT-S-NPTTISNT02LSL ANSI G 5583PFor NPT threads19⑪
short (lg) type-91short (lg) typeINT-S-NPTTISNT08QSL ANSI G 80 183P-91
NPTF Standard234NPTFTNTF02LHT ANSI G 5583P⑧ -92NPTF Standard234NPTFTNTF08QHT ANSI G 80 183P⑧ -92
M9-M24Taps
Long shank234LS-NPTFTNTF02LL10HT ANSI G 100 83P⑧ -96Long shank234LS-NPTFTNTF08QL15HT ANSI G 150 183P⑧ -96
TNTF02LL15150⑧ -96NPS Standard123NPSTNPS08QHT ANSI G 80 185P⑧ -97
NPS Standard123NPSTNPS02LHT ANSI G 5585P⑧ -97NPSF Standard123NPSFTNSF08QHT ANSI G 80 185P⑧ -99
M25-M48Taps
NPSF Standard123NPSFTNSF02LHT ANSI G 5585P⑧ -99Taps / 3/4-14
Taps / 1/4-18
00NPT Standard For NPT234
NPTTNPT12QHT ANSI G 85 233P⑧ -80
M50-M1Tapsthreads
NPT Standard For NPT234NPTTNPT04OHT ANSI G 62 113P⑧ -80123SP-NPTSNPT12QSP ANSI G 85 23 2.5P⑧ -86
threadsFor NPT threads
123SP-NPTSNPT04OSP ANSI G 62 11 2.5P⑧ -86234S-NPTTSNPT12QHT ANSI G 85 233P⑧ -84
short (lg) type
For UnifiedFor NPT threads234Long For NPT threads234
threadsshort (lg) typeS-NPTTSNPT04OHT ANSI G 62 113P⑧ -84LS-NPTTNPT12QL15HT ANSI G 150 233P⑧ -85
Tapsshank
Long For NPT234LS-NPTTNPT04OL10HT ANSI G 100 113P⑧ -85For NPT threads123LS-SP-S-NPT SSNPT12QL15 SP ANSI G 150 23 2.5P⑧ -88
shank threadsshort (lg) type
TNPT04OL15150⑧ -85Interrupted For NPT threads19⑪INT-NPTTINPT12QSL ANSI G 85 233P⑧ -89
For WhitworththreadsFor NPT threads123For NPT threads19⑪
Tapsshort (lg) typeLS-SP-S-NPT SSNPT04OL15 SP ANSI G 150 11 2.5P⑧ -88short (lg) typeINT-S-NPTTISNT12QSL ANSI G 85 233P⑧ -91
Interrupted For NPT threads19⑪INT-NPTTINPT04OSL ANSI G 62 113P⑧ -89NPTF Standard234NPTFTNTF12QHT ANSI G 85 233P⑧ -92
For NPT threads19⑪INT-S-NPTTISNT04OSL ANSI G 62 113PLong shank234
short (lg) type-91LS-NPTFTNTF12QL15HT ANSI G 150 233P-96
For Screw threads used
on sewing machinesNPTF Standard234NPTFTNTF04OHT ANSI G 62 113P⑧ -92NPS Standard123NPSTNPS12QHT ANSI G 85 235P⑧ -97
(SM)
Taps
Long shank234LS-NPTFTNTF04OL10HT ANSI G 100 113P⑧ -96NPSF Standard123NPSFTNSF12QHT ANSI G 85 235P⑧ -99
TNTF04OL15150⑧ -96
For Pipe threadsTapsNPS Standard123NPSTNPS04OHT ANSI G 62 115P⑧ -97
NPSF Standard123NPSFTNSF04OHT ANSI G 62 115P⑧ -99

For American pipe threadsTaps

For Miniaturethreads Taps