... VOLUME OF 18,000 SETS OF "WEILI"SERIES ELECTRIC THREADING MACHINES. N501.Machining range :1/2”---2’’2.Voltage ... :750W4.rotate speed : 28rpm5.net weight :65kg6.thread gauge:NPT7.dies:M8,M10,M12,M14,M16,M18, ... power :750W4.rotate speed : 50rpm5.net weight :65kg6.thread gauge:NPT7.dies:M10,M12,M14-M16,M18-M22, ... thread gauge:NPT and BSPT7.dies:M8,M10,M12,M14,M16,M18,M20,M24,1/2''-3/4'',1''-2'' pipe threading ...