Multi-Fix Concrete Screws - TX - Flat Countersunk - Zinc

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 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.