... VOLUME OF 18,000 SETS OF "WEILI"SERIES ELECTRIC THREADING MACHINES. N501.Machining range :1/2”---2’’2.Voltage ... speed : 28rpm5.net weight :65kg6.thread gauge:NPT7.dies:M8,M10,M12,M14,M16,M18,M20,M24M24(round steel ... speed : 28rpm5.net weight :65kg6.thread gauge:NPT7.dies:M8,M10,M12,M14,M16,M18,M20,M24M33(round ... and BSPT7.dies:M8,M10,M12,M14,M16,M18,M20,M24,1/2''-3/4'',1''-2'' pipe threading machine