Metal Cavity Fixing HM offers high‑strength metal fasteners for cavity applications. The range includes FISCHER HM 6 × 37 S, designed for 6‑15 panel assemblies and supplied with metric screws, and FISCHER HM 8 × 54 SS, fitted for 7‑21 panels with hex head screws. This category is suitable for buyers needing robust metal cavity fixings with specified panel dimensions.