CT-PF NPT JIS

Carbide Taps for Parallel Pipe Threads Hand Taps for American Taper Pipe Threads

Specification

■ The NPT tap is a hand tap for the American tapered pipe threads and is used for products whose main purpose is the tightness of threaded parts in the connection of parts for pipes.

Recommended Tapping Speeds depending on Materials

Medium carbon steels High carbon steels Alloy steels

中炭素鋼5高炭素鋼5合金鋼5
(m/min)(m/min)( m/ min)

TYPE:1 TYPE:2

g g

Segment:1G

SizeClassCodeChamferBasic major diaL (mm)ℓ (mm)ℓg (mm)Ds (mm)K (mm)ℓk (mm)No. of flutesTYPEMSRP
(mm) For AmericanPipeThreadsl
1/16-27 NPTANSI GTNPT01L3P7.77054171286941¥ 4,890
1/8-27 NPTANSI GTNPT02L3P10.117551912.0586942¥ 4,890
1/4-18 NPTANSI GTNPT04O3P13.426622817.451191242¥ 6,930
3/8-18 NPTANSI GTNPT06O3P16.866652817.6514111442¥ 11,600
1/2-14 NPTANSI GTNPT08Q3P20.980803522.8518141742¥ 19,100
3/4-14 NPTANSI GTNPT12Q3P26.325853522.9523172042¥ 31,800
1 -11 1/2 NPTANSI GTNPT16T3P32.934954527.426212452¥ 58,900
1 1/4-11 1/2 NPTANSI GTNPT20T3P41.6891054528.132263052¥ 89,300 ※
1 1/2-11 1/2 NPTANSI GTNPT24T3P47.7601104528.438293262¥ 127,000 ※
2 -11 1/2 NPTANSI GTNPT32T3P59.797120502846353862¥ 200,000 ※
2 1/2-8 NPTANSI GTNPT40X3P72.2731456540.855414482¥ 329,000 ※
3 -8 NPTANSI GTNPT48X3P88.1841556542.9565505282¥ 511,000 ※