THE THREADING MACHINE FACTORY HAS AN ANNUAL PRODUCTION VOLUME OF 18,000 SETS OF "WEILI"SERIES ELECTRIC THREADING MACHINES. N501.Machining range ... 110V 220V 380V or other3.Power:750W4.rotate speed :14---25rpm5.net weight :115kg6.thread gauge:BSPT7.dies:1 ... ,M10,M12,M14,M16,M18,M20,M24M33(round steel machine)1.machining range :10mm-33mm2.voltage :110V 220V ... M24,1/2''-3/4'',1''-2'' pipe threading machine