Concrete Screws - Flat Countersunk 7.5 x 80mm

A rapid and effective light duty anchoring system for fixing into concrete, brick, stone, concrete block and wood. This through fixing provides a single solution 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.