⑩ Dies Outside
diameter
D
Thickness

T
Position of
basic dia.
ℓg
JIS
D NPTF
Spiral Fluted Taps
(for blind hole)



JIS Solid Round Dies for American Dryseal Taper Pipe Threads
Spiral Fluted Taps
(for through hole)



Specification
Front
表面 face
■T he D NPTF are solid round dies for the
American dryseal external tapered pipe threads
for dry sealed tubes with improved runout
Spiral Pointed Taps
(for through hole)


accuracy.



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



TYPE:2 TYPE:3
Roll Taps

Special Thread Taps
Simple Inspection Tools



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


For NPTF Threads



1/16-27 NPTF TYJNF010NEBC 38 13 6 4 1 ¥18,400 ※
1/8-27 NPTF TYJNF020NEBC 38 13 6 4 1 ¥18,400 ※
1/4-18 NPTF TYJNF040NEBC 38 18 10 5 2 ¥18,400 ※
3/8-18 NPTF TYMNF060NEBC 50 22 10 5 2 ¥29,700 ※
Thread Mills
Premium Thread Mills


1/2-14 NPTF TYMNF080NEBC 50 22 12 6 2 ¥29,700 ※



3/4-14 NPTF TYRNF120NEBC 63 24 12 6 3 ¥78,200 ※
1 -11 1/2 NPTF TYUNF160NEBC 75 30 15 6 3 ¥140,000 ※
1 1/4-11 1/2 NPTF TYUNF200NEBC 75 30 15.5 6 3 ¥140,000 ※
Dies

Center Drills
Centering Tools



JIS
⑩-31 ※ = Specified Distribution Items. Made to order products.