Zhejiang Jiulong Machinery *****

Specially supplying Jooloong M10-M30 U-bolt , and the grade is 3.6-12.9 grade.The standard is GB, JIS, DIN etc.

Supplying M6-m30, 10mm-200mm, 3.6-12.9 grade bolt. It is made of good material with high quality, and it has long using life also good Mechanical pro

Its size is 6-30mm, it is made of qualified material with good machenical performance, its grade is 3.6-12.9.

It's supplied with good quality with long using time. It has good Mechanical properties. It's size from m6-m30, the grade is from 3.6-12.9

It is size from M6-M30, and grade is from 3.6-12.9. It is used in automotive, with good quality and high strong strength.

It's size from 6-30mm, the grade is from 3.6-12.9.It is made of good material with long using life.It can be designed according to the requirement