• The expansion is obtained by pulling back the zinc plated iron cone, when the screw or the accessory is tightened.
• It is available in a wide range of accessories with 6 ,8 and 9 mm diameters.
It is supplied even in blister pack.
Suited for solid supports: stone, concrete, solid bricks. Suited for a not through fastening.
White zinc plated steel (layer ≥ 5μ) without chromo VI.