INT-NPT INT-NPT ANSI

Interrupted Taps for American Taper Pipe Threads Interrupted Taps for American Taper Pipe Threads

Specification

■ INT-NPT having low left-hand spiral flutes and having every other thread ground off, reduces cutting torque. INT-NPT is suitable for such Oxide sticky materials as stainless steels and chrome Recommended Tapping Speed depending on Materials molybdenum steels.

Low carbon steels Stainless steels Cast steels

低炭素鋼5ステンレス鋼5鋳鋼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 AmericanPipe Threadsl
1/8-27 NPTANSI GY831513P2.1250.750.3120.4370.3280.37551
1/8-27 NPTANSI GY83151BR3P2.1250.750.3120.4370.3280.37551
1/8-27 NPTANSI GY831523P2.1250.750.3120.3120.2340.37552
1/8-27 NPTANSI GY83152BR3P2.1250.750.3120.3120.2340.37552
1/4-18 NPTANSI GY831533P2.4371.0620.4590.5620.4210.43751
1/4-18 NPTANSI GY83153BR3P2.4371.0620.4590.5620.4210.43751
3/8-18 NPTANSI GY831543P2.5621.0620.4540.70.5310.551
3/8-18 NPTANSI GY83154BR3P2.5621.0620.4540.70.5310.551
1/2-14 NPTANSI GY831553P3.1251.3750.5790.6870.5150.62552
1/2-14 NPTANSI GY83155BR3P3.1251.3750.5790.6870.5150.62552
3/4-14 NPTANSI GY831563P3.251.3750.5650.9060.6790.68752
3/4-14 NPTANSI GY83156BR3P3.251.3750.5650.9060.6790.68752
1 -11 1/2 NPTANSI GY831573P3.751.750.6781.1250.8430.81252
1 -11 1/2 NPTANSI GY83157BR3P3.751.750.6781.1250.8430.81252
1 1/4-11 1/2 NPTANSI GY831583P41.750.6861.3120.9840.93752
1 1/4-11 1/2 NPTANSI GY83158BR3P41.750.6861.3120.9840.93752
1 1/2-11 1/2 NPTANSI GY831593P4.251.750.6991.51.125172
1 1/2-11 1/2 NPTANSI GY83159BR3P4.251.750.6991.51.125172
2 -11 1/2 NPTANSI GY831603P4.51.750.6671.8751.4061.12572
2 -11 1/2 NPTANSI GY83160BR3P4.51.750.6671.8751.4061.12572