NPTF-CI

Hand Taps for American Dryseal Taper Pipe Threads, for Cast Irons

Specification

■ Suitable for hard and abrasive materials such as cast irons.

E

Nitride NPTF 3/4~

Recommended Tapping Speed depending on Materials

Cast irons Ductile cast irons

〜5 〜5

(m/min) (m/min) For icon explanation, refer to P.50

TYPE:1 TYPE:2

Segment:1G

SizeClassCodeChamferL (inch)ℓ (inch)Projection (inch)Ds (inch)K (inch)ℓk (inch)No. of flutesType
For Dryseal AmericanPipe Threads
NPTF 1/8-27ANSI GY83226 Y832273P2.1250.750.3120.437 0.3120.328 0.2340.37541 2
NPTF 1/4-18ANSI GY832283P2.4371.0620.4590.5620.4210.43741
NPTF 3/8-18ANSI GY832293P2.5621.0620.4540.70.5310.541
NPTF 1/2-14ANSI GY832303P3.1251.3750.5790.6870.5150.62542
NPTF 3/4-14ANSI GY832313P3.251.3750.5650.9060.6790.68752
NPTF 1-11.5ANSI GY832323P3.751.750.6781.1250.8430.81252
NPTF 1 1/4-11.5ANSI GY832333P41.750.6861.3120.9840.93752
NPTF 1 1/2-11.5ANSI GY832343P4.251.750.6991.51.125172
NPTF 2-11.5ANSI GY832353P4.51.750.6671.8751.4061.12572