The ICCONS Thru-Bolt™ PRO-G wedge anchor in the range of M8, M10, M12, M16 and M20 is an anchor made of sherardized steel. The ICCONS Thru-Bolt™ PRO wedge anchor in the range of M8, M10, M12, M16 and M20 is an anchor made of galvanized steel. The anchor is installed into a predrilled cylindrical hole and anchored by torque-controlled expansion. The anchorage is characterised by friction between expansion clip and concrete.