Min. Order:
20pieces
Place of origin:
China
Price Condition:
FOB Qingdao
Supply Ability:
2000000pieces/year
machine make the round steel bar, then use the depth drill to drill the hole in the middle of the horizontal placed steel bar, then put the mandrel in the hole, heating them, then using the continuous rolling machine to rolling them, finally pull the mandrel out of the steel bar, this kind of processing technique can guarantee smoothness of the endoporus of the rod and also not prone to have the
[Related Keywords : extension rod, mf rod, shank rod, rod]