Box Concrete Frame Screws

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Box Concrete Frame Screws A rapid and effective light duty anchoring system for fixing into concrete, brick, stone, concrete block and wood. This through fixing provides a single s olution and replaces traditional fixings such as nylon frame and hammer fixings.• Designed to replace traditional masonry fixings• TX30 TX Drive recess to reduce driver wear & prevent camming-out• Serrated V-threads to achieve optimum insertion into all masonry types• Zinc plated and yellow passivated for increased corrosion resistance• High-Low thread on first 30mm to aid insertion and reduce torque• Ideal for fitting windows and door frames• Flat countersunk head with five locking ribs• All steel, non-flammable fixing conforming to BS 7671 standard's 18th edition, which requires wiring systems to be supported by materials which are unlikely to prematurely collapse in the event of a fire. Show more