Stress-free, structural stainless steel A4 screw anchor suitable for heavy loads and small HOH and edge distances. ETA-1 certified for structural permanent fixings in both cracked and uncracked concrete (tension and compression zone). Also provided with F120 fire approval. For concrete, sand-lime brick and masonry. Integrated pressed flange with locking profile under the head. Dimensions on the top of the anchor stated for possible inspection. Attractive finish for visible work.