The Rawplug Plated Rawlbolt are suitable for heavy-duty metal fixing in which large bolts are anchored in a metal housing or shield for securing heavy items in concrete. Loose bolt type rawlbolts have a plated shield and bolt with built in expander nut. Ideal for fixings where the bolt needs to be inserted after the shield has been positioned.Typical applications are the installation of heavy equipment, crash barriers and scaffolding.Size. M12 x 40mm.Maximum Fixture Thickness: 40mm