Note 1: Product symbols shown in red mean the Overall length Shank dia. Chamfer length

L DDrill hole shape P: B:

tap suitable for synchronized feed tapping. s c

Main M2

Tap selectionSymbolCodeL DProductTaps
materialsc page
Note 1
Taps / 1-11 1/2M3
Taps
NPT Standard For NPT234NPTTNPT16THT ANSI G 95 263P⑧ -80
threads123
SP-NPTSNPT16TSP ANSI G 95 26 2.5P⑧ -86M4
For NPT threads234S-NPTTSNPT16THT ANSI G 95 263P⑧ -84Taps
short (lg) type
Long shank For NPT threads234LS-NPTTNPT16TL15HT ANSI G 150 263P⑧ -85
Interrupted For NPT threads19⑪INT-NPTTINPT16TSL ANSI G 95 263P⑧ -89M5
For NPT threads19⑪Taps
short (lg) typeINT-S-NPTTISNT16TSL ANSI G 95 263P⑧ -91
NPTF Standard234NPTFTNTF16THT ANSI G 95 263P⑧ -92
Long shank234LS-NPTFTNTF16TL15HT ANSI G 150 263P⑧ -96M6
NPS Standard123Taps
NPSTNPS16THT ANSI G 95 265P⑧ -97
NPSF Standard123NPSFTNSF16THT ANSI G 95 265P⑧ -99
Taps / 1 1/4-11 1/2M8
Taps
NPT Standard For NPT threads234NPTTNPT20THT ANSI G 105 323P⑧ -80
For NPT threads234S-NPTTSNPT20THT ANSI G 105 323PM10
short (lg) type-84
Taps
Interrupted For NPT threads19⑪INT-NPTTINPT20TSL ANSI G 105 323P⑧ -89
For NPT threads19⑪
short (lg) typeINT-S-NPTTISNT20TSL ANSI G 105 323P-91
NPTF Standard234M12
NPTFTNTF20THT ANSI G 105 323P⑧ -92
Taps
NPS Standard123NPSTNPS20THT ANSI G 105 325P⑧ -97
NPSF Standard123NPSFTNSF20THT ANSI G 105 325P⑧ -99
M1
Taps / 1 1/2-11 1/2Taps-M8.5
NPT Standard For NPT threads234NPTTNPT24THT ANSI G 110 383P⑧ -80
For NPT threads234M9-M24
short (lg) typeS-NPTTSNPT24THT ANSI G 110 383P⑧ -84Taps
Interrupted For NPT threads19⑪INT-NPTTINPT24TSL ANSI G 110 383P⑧ -89
For NPT threads19⑪
short (lg) typeINT-S-NPTTISNT24TSL ANSI G 110 383P-91
M25-M48
NPTF Standard234NPTFTNTF24THT ANSI G 110 383P⑧ -92Taps
NPS Standard123NPSTNPS24THT ANSI G 110 385P⑧ -97
NPSF Standard123NPSFTNSF24THT ANSI G 110 385P⑧ -99
M50-M1
Taps / 2-11 1/2Taps00
NPT Standard For NPT threads234For Unified
NPTTNPT32THT ANSI G 120 463P⑧ -80
threads
For NPT threads234S-NPTTSNPT32THT ANSI G 120 463PTaps
short (lg) type-84
Interrupted For NPT threads19⑪INT-NPTTINPT32TSL ANSI G 120 463P⑧ -89
For NPT threads19⑪For Whitworth
short (lg) typeINT-S-NPTTISNT32TSL ANSI G 120 463P⑧ -91threads
NPTF Standard234Taps
NPTFTNTF32THT ANSI G 120 463P⑧ -92
NPS Standard123NPSTNPS32THT ANSI G 120 465P⑧ -97
For Screw threads used
NPSF Standard123NPSFTNSF32THT ANSI G 120 465P⑧ -99on sewing machines
Taps
Taps / 2 1/2-8(SM)
NPT Standard For NPT threads234NPTTNPT40XHT ANSI G 145 553P⑧ -80For Pipe threads
Taps
Taps / 3-8
For American
NPT Standard For NPT threads234NPTTNPT48XHT ANSI G 155 653P⑧ -80pipe threads

Taps

For Miniature threads Taps