Internal Thread Size

A

B

Shoulder Diameter

Shoulder Length

Drill Size

Drill P/N

Tap P/N

Spotfacer P/N

Install Tool P/N

Starter Kit P/N

1/8- 27NPTF

0.595

0.500

0.731

0.125

33/64"

FT4DB-1

FT4FT-1

FT4PSF-1

FT18NPTT

FST418NPTK

1/4- 18NPTF

0.735

0.600

0.852

0.130

21/32"

FT5DB-1

FT5FT-1

FT5PSF-1

FT14NPTT

FST514NPTK

3/8- 18NPTF

0.860

0.750

0.991

0.150

51/64"

FT6DB-1

FT6FT-1

FT6PSF-1

FT38NPTT

FST638NPTK

1/2- 14NPTF

1.095

0.875

1.228

0.150

1-1/64"

FT8DB-1

FT8FT-1

FT8PSF-1

FT12NPTT

FST812NPTK

3/4- 14NPTF

1.220

1.000

1.355

0.160

1-9/64"

FT9DB-1

FT9FT-1

FT9PSF-1

FT34NPTT

FST934NPTK