download Product Catalogue PDF (2.4MB) - Goliath Threading Tools
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NPT - NPTF “Dryseal” - NPS -<br />
NPSF “Dryseal” BS949-1969<br />
Nominal<br />
Size<br />
TPI Basic /<br />
Gauge<br />
Thread<br />
dia ins<br />
Diameter<br />
at large<br />
end of tap<br />
ins<br />
Overall<br />
Length<br />
L ins<br />
Length of<br />
Thread<br />
l ins<br />
Length of<br />
Square<br />
l 2 ins<br />
Square A/F<br />
ins<br />
Diameter<br />
of Shank<br />
d 1 ins<br />
PIPE TAPS<br />
1/16 27 0.3108 0.324 2.125 0.687 0.312 0.238 0.318<br />
1/8 27 0.4044 0.420 2.125 0.750 0.312 0.238 0.318<br />
1/4 18 0.5343 0.559 2.437 1.062 0.437 0.322 0.429<br />
3/8 18 0.6714 0.694 2.562 1.062 0.500 0.406 0.542<br />
1/2 14 0.8356 0.865 3.125 1.375 0.625 0.515 0.687<br />
3/4 14 1.0460 1.075 3.250 1.375 0.687 0.679 0.906<br />
1 11.5 1.3082 1.350 3.750 1.750 0.812 0.843 1.125<br />
1 1/4 11.5 1.6530 1.693 4.000 1.750 0.937 0.984 1.312<br />
1 1/2 11.5 1.8919 1.932 4.250 1.750 1.000 1.125 1.500<br />
2 11.5 2.3658 2.405 4.500 1.750 1.125 1.406 1.875<br />
Straight Flute - NPT (ANSI-B.94.9)<br />
1/16 1/8 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2<br />
No. of Flutes 4 4 4 4 4 5 5 5 7 7<br />
Straight Flute - NPTF “Dryseal” (ANSI-B.94.9)<br />
1/16 1/8 1/4 3/8 1/2 3/4 1 1 1/4<br />
Table Reference<br />
Number<br />
No. of Flutes 4 4 4 4 4 5 5 5<br />
Metric/Imperial<br />
Straight Flute - NPS (ANSI-B.94.9)<br />
Pitch Diameter<br />
Tolerance<br />
1/8 1/4 3/8 1/2 3/4 1<br />
No. of Flutes 4 4 4 4 4 6<br />
Class of Fit<br />
Straight Flute - NPSF “Dryseal” (ANSI-B.94.9)<br />
Available in:<br />
Taper Lead<br />
Second Lead<br />
Bottom Lead<br />
1/8 1/4 3/8 1/2 3/4 1<br />
No. of Flutes 4 4 4 4 4 6<br />
28<br />
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