FCS1431 WEJCON Flat Head Concrete Screws 1/4in x 3-1/4in

Wej-it FCS1431 WEJCON Flat Head Concrete Screws 1/4in x 3-1/4in 100ctFeatures and Benefits: This anchor is a high-strength, case hardened screw with twin-lead, v-notched threads for anchORg into concrete, masonry, and brick. Advanced R-Blocker coating offers exceptional test results in salt spray testing. Wej-Con concrete screws install quickly in a pre-drilled hole and can be removed and reinstalled as often as necessary. Specifications: -Size: 1/4in x 3-1/4in-Count: 600-Material: Heat treated carbon steel with Blue R-Blocker coating-Drill bit included in each box.-Cuts threads in structural concrete, hollow block, brick, mortar, CMU, etc.-Twin-lead threads with V-notches ease installation and increase pullout values.-Blue R-Blocker corrosion-resistant finish provides 1000+ hours of salt spray resistance per ASTM B117.- Applications: Cladding, Brick Ties, Window Frames, Upright Metal Shelves, Strapping/2x4 Studs, and Conduit Clips