4pcs heavy duty shiled/shell anchors bolt with hex bolt/with hook/with eye bolt;anchors shield/shell.
material:SPCC(cold steel),3pcs anchor bolt also available.
We can produce according your sample or drawing.

The retaining power can be removed easily.
When fastening the nut or screw the conical part is pulled into the anchor shells expanding it.

4pcs shells made of,steel pressed used to dirt&moisture is appreciated