
Dies
Outside
diameter
D
Thickness
T
Position of
basic dia.
ℓg
⑩
JIS
D NPT
Spiral Fluted Taps
(for blind hole)
①
JIS Solid Round Dies for American Taper Pipe Threads
Spiral Fluted Taps
(for through hole)
②
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)
③
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 )
④
TYPE:1
Cemented
Carbide Taps
⑤
Roll Taps
TYPE:2 TYPE:3
⑥
Special Thread Taps
Simple Inspection Tools
⑦
Segment:3G
D T ℓg Clearance
Size Code (mm) (mm) (mm) holes TYPE MSRP
Pipe Taps
For NPT Threads
⑧
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 ※
⑨
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
⑩
Center Drills
Centering Tools
⑪
JIS
※ = Specified Distribution Items. Made to order products. ⑩-30