... ,Wedges,Bearing Plate,Spiral Bars,Ducts,Coupler9. Anchor: Round10. Anchor Ring: φ117*4711. Wedges: 2 or 3 pieces12. Anchor Plate: 162 ... .0mm, 5.0mm spiral ribbed pc wire.6. Parts: anchor ring/plate, wedge, base plate, spiral bar, bellow/corrugated pipe etc ... -stress depends on the load that the anchor allows. The pre-stressed anchorage is the important part of a firm system of a pre ...