Fischer Masonry Bolts & Anchors Heavy duty anchor 614639 - Fischer 532752, The Fischer FH II 15/M10 I K NV heavy duty anchor, part number 532752, is designed for robust and secure fastening applications. It features a 15 mm diameter and is renowned for its high load-bearing capacity, making it ideal for structural supports. Typically used in construction, it ensures reliable anchorage in concrete foundations. Fischer 532752 FH II-I heavy duty anchor 15mm galvanised steel set