TIMCO Concrete Screws Flat Countersunk - Yellow - 7.5 x 150

The TIMco Multi-Fix Concrete Screws deliver rapid light-duty anchoring engineered for concrete, brick, stone, concrete block, and wood. This through-fixing system replaces traditional nylon frame and hammer fixings, streamlining installation across diverse masonry applications. The TX30 TORX drive recess minimises driver wear and prevents camming-out during installation. Serrated V-threads achieve optimum insertion into all masonry types, while zinc plating with yellow passivation provides corrosion resistance in clean, dry and low-humidity environments. The high-low thread on the first 30mm aids insertion and reduces torque, making these screws particularly effective for fitting windows and door frames. The flat countersunk head with five locking ribs ensures a flush, professional finish. All-steel, non-flammable construction conforms to BS 7671 standards for fire-resistant support applications. Features & Benefits: Suitable for professional tradespeople and DIY enthusiasts in clean,