MATERIAL: Concrete screws are made of high quality carbon steel, classics high temperature quenching, hardness is high. The surface of the screw is treated with blue ruspert, which has strong corrosion resistance.
HIGH QUALITY: A High and Low Thread Design along with Wide Serrated Threads provides a Faster Drilling Speed allowing the Screw Anchor to Quickly Penetrate any Base Material.
APPLICATION: Concrete screws are ideal for use in concrete, masonry, mortar walls, etc. In your home or workplace yard.
PACKAGE: 50 PCS Concrete Screws 1/4" x 5"; 1 x Hex Bit Socket.