Bolt Size: 6 x 115 mm Shield Size: 12 x 45 mm Maximum Fixing Thickness: 60 mm features: World\'s most popular expanding shield anchor Easy to use with good load carrying capacity Ideal general purpose anchor bolt with excellent tolerance to variation in hole size The collapsible ferrule ensures positive clamping force is transmitted to the fixture 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