NPS

Hand Taps for American Parallel Pipe Threads

Specification

E

NPS 3/4~

Recommended Tapping Speeds depending on Materials

Medium carbon steels

5〜10

For icon explanation, refer to P.50

TYPE:1 TYPE:2

Segment:1GSegment:1G

SizeClassCodeChamferBasic major dia (mm)L (mm)ℓ (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTypeStock
For American PipeThreads
NPS 1/16-27ANSI GTNPS01L5P7.770541786941
NPS 1/8-27ANSI GTNPS02L5P10.117551986942
NPS 1/4-18ANSI GTNPS04O5P13.42662281191242
NPS 3/8-18ANSI GTNPS06O5P16.866652814111442
NPS 1/2-14ANSI GTNPS08Q5P20.980803518141742
NPS 3/4-14ANSI GTNPS12Q5P26.325853523172042
NPS 1 -11.5ANSI GTNPS16T5P32.934954526212452
NPS 1 1/4-11.5ANSI GTNPS20T5P41.6891054532263052
NPS 1 1/2-11.5ANSI GTNPS24T5P47.7601104538293262
NPS 2 -11.5ANSI GTNPS32T5P59.7971205046353862