YuYao Jingcheng Hardware Manufacturing Co.,Ltd.

* The retaining power can be removed easily.

* When fastening the nut or screw the conical part is pulled into the anchor shells expanding it.
* Din 933 Hex Bolt/ 5.8.8.8 Grade + Din 9021 Or Din 125 for customers' choose.
M6 X 40 X 50
M8 X 50 X 60
M10 X 60 X 70
M12 X 80 X 90
M16 X 105 X 120
M20 X 130 X 150
The special size of Hex Bolt can be supplied as customers' needings.