The sleeve expansion bolt assembly comprises a hex bolt, washer, nut and a slotted expansion sleeve. Tightening the nut pulls the bolt and forces the sleeve to expand, producing a friction lock in concrete, brick or masonry. The design is intended for medium-load anchoring where a mechanical expansion fixing is required.

Available in carbon steel or stainless steel 304, with surface treatments including zinc plating or hot-dip galvanising. Metric sizes are offered from M6 to M24. Typical applications include equipment brackets, pipeline supports, door and window frames, and electrical installations; confirm size and fixing details for your project.