3/16″ X 1-1/4″ Concrete Screws, 100 PCS Blue Hex Washer Head Concrete Screws Anc
Fastener Type Concrete Screws. Drive System External Hex. Our Hex Head Concrete Screws feature a slotted Hex head that can be driven with a slotted point screwdriver or a hex bit socket. Performance: The Concrete Screws are hardened to a high temperature for exceptional hardness, anti-rust property and corrosion resistance; The high-low thread design provides strong fixing ability, and the sharp tail makes drilling faster.