+86 519 88771678   +86 519 88772588  jianjun.c@czchengxin.com
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Address: Xinnan Village,Yaoguan Town,Wujin Dist,Changzhou City,Jiangsu Province,China

Tel: +86 519 8877 1678  

Fax: +86 519 8877 4001

Cell: +86 13616125265(Wechat)

E-amil:  jianjun.c@czchengxin.com 

Hollow Bar


We can manufacture both deep hole bored/drilled hollow bars that are made from steel billets as well as cold drawn hollow bars that are made from hot rolled seamless pipes with heacy wall.We can also do machining&turning to the hollow bars as per customer’s request and drawing.

Available steel grade of hollow bars:

Hollow bar.jpg

Size Range:

OD: ≤ 500mm

ID: ≥ 8mm  


Manufacture Method: Hydraulic Cold Drawing, Deep Hole Drilling,Deep Hole Boring

Heat Treating Method/Delivery Condition:

Hollow bar1.jpg

OD and ID tolerance: as per request


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    Changzhou Chengxin Metal Products Co.,Ltd