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 & tightened the expander wedge is drawn upwards & the shell is expanded to form a strong fixing.
ideal for overhead & ceiling work, securing cable trays, ducting & trunking or installing radiator brackets, partitions & structural fixtures.
size. m 12 x 15mm.
maximum fixture thickness: 15mm.