The SD89203 – 1/2″ ~ 3/4″ BSPT HSS Pipe Threading Dies to Suit Asada B25 (Automatic) are available in several sizes. BSPT, NPT, BSPS, Conduit, BSW, Metric, UNC, and UNF are made from special pre-heat-treated steel, ensuring long life and easy threading. HSS for stainless steels and high-tensile steels, and alloy for general-purpose threading on black or galvanized pipe and rod The life of the dies is greatly affected by the quality of the cutting oil used.
Note:
Asada Threading Oil is strongly recommended.