Spiral Fluted Taps (for blind hole)Spiral Fluted Taps(for through hole)Spiral Pointed Taps(for through hole)Hand TapsCementedCarbide TapsRoll TapsSpecial Thread TapsSimple Inspection ToolsPipe TapsThread MillsPremium Thread MillsDiesCenter DrillsCentering Tools JIS ⑩ Dies OutsidediameterThicknessPosition ofbasic dia.DTℓg JIS ① D PT LH Solid Round Dies for Taper Pipe Threads, for Left Hand Threads ② Specification Fron表t 面face ■The D PT LH are solid round dies for left hand external PT tapered pipe threads that have improved die runout accuracy. 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 ④ (m/min) (m/min) (m/min) (m/min) (m/min) (m/min) (m/min) TYPE:1 ⑤ ⑥ TYPE:2 TYPE:3 ⑦ Segment:3G Size Code D(mm) T(mm) ℓg(mm) Clearanceholes TYPE MSRP 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 ※ ⑨ PT 3/4-14 GYRPT120NEBCPT 1 -11GYUPT160NEBC 63 24 12.5 6 3 ¥89,000 ※75301563¥158,000 ※ ⑩ ⑪ JIS ⑩-27 ※ = Specified Distribution Items. Made to order products.