Heavy-duty metal fixing in which large bolts are anchored in a metal housing or shield for securing heavy items in concrete.

When the nut is introduced onto the bolt and tightened the expander wedge is drawn upwards and the shell is expanded to form a strong fixing.

Ideal for overhead and ceiling work, securing cable trays, ducting and trunking or installing radiator brackets, partitions and structural fixtures.

Size. M20 x 30mm.
Maximum Fixture Thickness: 30mm