A bolt or stud inside an expanding metal sleeve; turning the head flares the sleeve along the hole, spreading load for versatile fixing in concrete, brick, and hollow block.
Conforms to

Expanding sleeve grips brick, block, and concrete.
A cross-section of stocked configurations. Not exhaustive — diameters, lengths, grades, and finishes extend across the full range on request.
Representative specifications — not exhaustive · NXB-SLV
Match the line to the load, the environment, and the standard it answers to.
Materials
Finishes
Standards
Typical applications
Served industries
Mating parts and adjacent lines engineers reach for alongside this one.
Expansion clip wedges into concrete for high pull-out.
M6–M24 · 1/4"–1"
Flush internal-thread shell set with a setting tool.
M6–M20 · 1/4"–3/4"
General-purpose masonry fixing across substrates.
Ø5–Ø16 mm · 3/16"–5/8"
Cuts its own thread directly into masonry and concrete.
Ø3/16"–Ø3/4" · Ø4–Ø16 mm
Grade, material, finish, and standard — matched to your joint and quoted from stock. Tell us the load case and we’ll confirm the line.