• It is particularly suited for anchoring on hallow bricks: the fins under the fins under the edge gradually expand during screw tightening. This guarantees a safe anchoring into the internal
It is supplied also complete with hexagonal head screw.
Available even in blister pack.
Suited for main construction materials: stone, concrete, solid bricks, hallow bricks, gasbeton.
Designed for a not through fastening.
POLYAMIDE (Nylon) - Colour: grey RAL 7035. Brassed iron expansion nut..