4 die 4 blow BDF-64S DONGRUI screw bolt making machine 6432627874677389632-blid-7209674668178127589

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4 die 4 blow BDF-64S DONGRUI screw bolt making machine is widely uesd in the fastener industry .This machine can produce different kinds of bolts in one time .Auto multi-station cold upsetting former is a specialized machine tool with high efficiency and automation among forging machinery , cold upsetting technique and auto cold upsetting formers are used  as an important means for producing different kinds of bolts, screws ,rivets and nut in the field of fastener industry . because of the advantage of the cold upsetting equipment itself and the superiority  of cold upsetting technique , the formers also are widely used in different national economic territories for producing fasteners and abnormal non-standard parts such as aviation  ,steamer, machinery ,rail traffic ,vehicle, motorcycle, bicycle ,sewing machine ,construction ,furniture ,light industry  and daily necessities, etc.