Общий каталог Yamawa 2022 - 2023 - страница 870

⑩ Dies Outside
diameter
D
Thickness

T
Position of
basic dia.
ℓg
JIS
D PT LH
Spiral Fluted Taps
(for blind hole)
①


JIS Solid Round Dies for Taper Pipe Threads, for Left Hand Threads
Spiral Fluted Taps
(for through hole)
②


Specification
Front
表面 face
■The D PT LH are solid round dies for left hand
external PT tapered pipe threads that have
improved die runout accuracy.
Spiral Pointed Taps
(for through hole)


Left hand
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


TYPE：2 TYPE：3
Roll Taps
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 PT Threads
⑧


PT 1/8-28 GYJPT020NEBC 38 13 6 4 1 ¥21,200 ※
PT 1/4-19 GYJPT040NEBC 38 18 8.5 5 2 ¥21,200 ※
PT 3/8-19 GYMPT060NEBC 50 22 10 5 2 ¥33,900 ※
PT 1/2-14 GYMPT080NEBC 50 22 12 6 2 ¥33,900 ※
Thread Mills
Premium Thread Mills


PT 3/4-14 GYRPT120NEBC 63 24 12.5 6 3 ¥89,000 ※
⑨


PT 1 -11 GYUPT160NEBC 75 30 15 6 3 ¥158,000 ※
Dies
⑩
Center Drills
Centering Tools
⑪


JIS
⑩-27 ※ = Specified Distribution Items. Made to order products.