Four sizes of concrete screw set: 50Pcs flat head phillips concrete screws (3/16 x 1-1/4),50Pcs flat head phillips concrete screws (3/16 x 1-3/4),30Pcs flat head phillips concrete screws (1/4 x 2-1/4),50Pcs flat head phillips concrete screws (1/4 x 1-1/4), two drill bits are included.
High-quality material: Selected high-quality carbon steel, and after high temperature quenching, high hardness. The surface is treated with blue rust and has strong corrosion resistance.
Application : Concrete screws are suitable for concrete, masonry, mortar wall, etc. It can be used both indoors and outdoors.
Product Features:The high and low thread and diamond tail drill design make the installation work easier.
Customer Service:If you have any dissatisfaction, you can choose to communicate with us by email, or you can choose to return it unconditionally, the Kevinrooty store will provide a full refund.