INT-S-NPT

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

Specification

■ INT-S-NPT is the tap with short thread portion, and, having

E low left-hand spiral flutes and having every other thread
ground off, reduces cutting torque. INT-S-NPT is suitable
Oxide for such sticky materials as stainless steels and chrome
NPT 3/4~
Recommended Tapping Speeds depending on Materialsmolybdenum steels.
Stainless steels
〜5
For icon explanation, refer to P.50
TYPE:1TYPE: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 GTISNT01L3P7.770541410.186931
NPT 1/8-27ANSI GTISNT02L3P10.1175516.510.586952
NPT 1/4-18ANSI GTISNT04O3P13.4266219.512.51191252
NPT 3/8-18ANSI GTISNT06O3P16.86665211414111452
NPT 1/2-14ANSI GTISNT08Q3P20.98080271718141752
NPT 3/4-14ANSI GTISNT12Q3P26.32585291923172052
NPT 1 -11.5ANSI GTISNT16T3P32.93495352226212452
NPT 1 1/4-11.5ANSI GTISNT20T3P41.68910537.524.532263052
NPT 1 1/2-11.5ANSI GTISNT24T3P47.76011038.525.538293272
NPT 2 -11.5ANSI GTISNT32T3P59.79712042.527.546353872