TIMCO Concrete Screws Flat Countersunk Exterior Silver 7.5 x 100

Amazon

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 Exterior plating gives a reliable and durable corrosion resistant coating which resists 500 hours salt-spray. High Low threads for ease of insertion Ideal for fitting windows and door frames, Weight: 4.3651527876 pounds, Manufacturer: TIMCO

Zoro Tools

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. Please Note : Due to geographical locations we are unable to deliver to Highlands