ANSI NPTF

Hand Taps for American Dryseal Taper Pipe Threads

Specification

■ The NPTF is a hand tap for the American dry seal tapered pipe threads and is used for products whose main purpose is the tightness of the Oxide threaded part in connection with pipe parts, etc.

Recommended Tapping Speed 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

Projection Projection

Segment:1G

SizeClassCodeChamferL (inch)ℓ (inch)Projection (inch)Ds (inch)K (inch)ℓk (inch)No. of flutesTYPE
For Dryseal American PipeThreads
1/16-27 NPTFANSI GY831253P2.1250.6870.3120.3120.2340.37541
1/16-27 NPTFANSI GY83125BR3P2.1250.6870.3120.3120.2340.37541
1/8-27 NPTFANSI GY831263P2.1250.750.3120.4370.3280.37541
1/8-27 NPTFANSI GY83126BR3P2.1250.750.3120.4370.3280.37541
1/8-27 NPTFANSI GY831273P2.1250.750.3120.3120.2340.37542
1/8-27 NPTFANSI GY83127BR3P2.1250.750.3120.3120.2340.37542
1/4-18 NPTFANSI GY831283P2.4371.0620.4590.5620.4210.43741
1/4-18 NPTFANSI GY83128BR3P2.4371.0620.4590.5620.4210.43741
3/8-18 NPTFANSI GY831293P2.5621.0620.4540.70.5310.541
3/8-18 NPTFANSI GY83129BR3P2.5621.0620.4540.70.5310.541
1/2-14 NPTFANSI GY831303P3.1251.3750.5790.6870.5150.62542
1/2-14 NPTFANSI GY83130BR3P3.1251.3750.5790.6870.5150.62542
3/4-14 NPTFANSI GY831313P3.251.3750.5650.9060.6790.68752
3/4-14 NPTFANSI GY83131BR3P3.251.3750.5650.9060.6790.68752
1 -11 1/2 NPTFANSI GY831323P3.751.750.6781.1250.8430.81252
1 -11 1/2 NPTFANSI GY83132BR3P3.751.750.6781.1250.8430.81252
1 1/4-11 1/2 NPTFANSI GY831333P41.750.6861.3120.9840.93752
1 1/4-11 1/2 NPTFANSI GY83133BR3P41.750.6861.3120.9840.93752
1 1/2-11 1/2 NPTFANSI GY831343P4.251.750.6991.51.125162
1 1/2-11 1/2 NPTFANSI GY83134BR3P4.251.750.6991.51.125162
2 -11 1/2 NPTFANSI GY831353P4.51.750.6671.8751.4061.12562
2 -11 1/2 NPTFANSI GY83135BR3P4.51.750.6671.8751.4061.12562