Dies
Outside
diameter
D
Thickness

T
Position of
basic dia.
ℓg

JIS
D NPT


Spiral Fluted Taps
(for blind hole)

JIS Solid Round Dies for American Taper Pipe Threads


Spiral Fluted Taps
(for through hole)

Specification
Front
表面 face
■The D NPT are solid round dies for American
external tapered pipe threads with improved
runout accuracy.


Spiral Pointed Taps
(for through hole)

Recommended Tapping Speeds depending on Materials
Low carbon steels Medium carbon steels Cast irons Brass Brass castings Wrought aluminum Aluminum alloy castings
低炭素鋼 中炭素鋼 鋳鉄 黄銅 黄銅鋳物 アルミ圧延材 アルミ合金鋳物

2.5 5 2.5 5 2.5 5 2.5 5 2.5 5 2.5 5 2.5 5
〜 〜 〜 〜 〜 〜 〜


Hand Taps
( m / min ) ( m / min ) ( m / min ) ( m / min ) ( m / min ) ( m / min ) ( m / min )



TYPE:1


Cemented
Carbide Taps

Roll Taps
TYPE:2 TYPE:3



Special Thread Taps
Simple Inspection Tools

Segment:3G
D T ℓg Clearance
Size Code (mm) (mm) (mm) holes TYPE MSRP


Pipe Taps
For NPT Threads


1/16-27 NPT TYJNT010NEBC 38 13 5 4 1 ¥16,800 ※
1/8-27 NPT TYJNT020NEBC 38 13 5 4 1 ¥16,800
1/4-18 NPT TYJNT040NEBC 38 18 8 5 2 ¥16,800
3/8-18 NPT TYMNT060NEBC 50 22 8 5 2 ¥27,100 ※
Thread Mills
Premium Thread Mills

1/2-14 NPT ¥27,100 ※

TYMNT080NEBC 50 22 10 6 2
3/4-14 NPT TYRNT120NEBC 63 24 10 6 3 ¥70,900 ※
1 -11 1/2 NPT TYUNT160NEBC 75 30 13 6 3 ¥126,000 ※
1 1/4-11 1/2 NPT TYUNT200NEBC 75 30 13.5 6 3 ¥126,000 ※
Dies

Center Drills
Centering Tools



JIS
※ = Specified Distribution Items. Made to order products. ⑩-30