... .20mm-15.70mm6. Application: Stressing Anchor & Fixing Anchor7. Model: Single Anchor & Multi Anchor8. Parts: Anchor,Wedges,Bearing Plate,Spiral Bars ... Circular Anchor, BM Flat Anchor, KM Mining Anchor.3. Type: Single-hole, Multi-hole.4. Material: Alloy Steel & Cast Iron5. Usage: M15 ... pre-stressed anchorage is the important part of a firm system of a pre-stressing anchor, and its capability influences ...