7.5x150 Multi Fix Screw Light Duty Anchor Concrete Screw Box Of 100

Featuring a TX30 drive recess, these screws reduce driver wear and prevent camming out during installation. Serrated V-threads provide secure insertion into all masonry types, while the high-low thread on the first 30 mm aids engagement and reduces torque.

Finished with zinc plating and yellow passivation for enhanced corrosion resistance, these countersunk screws include five locking ribs for a secure fit. They are ideal for fixing window and door frames with strength, precision, and durability.