S-NPT

Hand Taps for American Taper Pipe Threads, Short (ℓg) Type

Specification

E

NPT 3/4~

Recommended Tapping Speeds depending on Materials

Medium carbon steels

〜5

For icon explanation, refer to P.50

TYPE:1 TYPE:2

g g

Segment:1G

SizeClassCodeChamferBasic major dia (mm)L (mm)ℓ (mm)ℓg (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTypeStock
For American PipeThreads
NPT 1/16-27ANSI GTSNPT01L3P7.770541410.186941
NPT 1/8-27ANSI GTSNPT02L3P10.1175516.510.586942
NPT 1/4-18ANSI GTSNPT04O3P13.4266219.512.51191242
NPT 3/8-18ANSI GTSNPT06O3P16.86665211414111442
NPT 1/2-14ANSI GTSNPT08Q3P20.98080271718141742
NPT 3/4-14ANSI GTSNPT12Q3P26.32585291923172042
NPT 1 -11.5ANSI GTSNPT16T3P32.93495352226212452
NPT 1 1/4-11.5ANSI GTSNPT20T3P41.68910537.524.532263052
NPT 1 1/2-11.5ANSI GTSNPT24T3P47.76011038.525.538293262
NPT 2 -11.5ANSI GTSNPT32T3P59.79712042.527.546353862