Metal plug with internal thread for aerated concrete and leca

• Internally threaded metal plug with a coarse external threading for pre-installation in light expanded clay aggregate (leca) and dense types of aerated concrete.
• The coarse spiral-shaped outer thread provides a solid grip.
• Suitable screws are machine threaded screws, bolts and studs.
• Can be installed using an electric drill/driver with low torque or manually with a hex wrench/allen key.
• Zinc alloy for dry indoor and temporary outdoor use.