Ideal for projects that require heavy-duty holding power, Tapcon plus screw anchors are the stronger, faster and easier masonry anchoring solution. They install in less than half the time of wedge anchors or sleeve anchors and have 20% more holding power. Tapcon plus anchors are suitable for use in concrete, both indoors and outdoors. Works in all masonry-based material including concrete, block or brick Use these screws for a variety of projects including attaching machinery/heavy equipment, industrial shelving, ledger board, pipes, cables and many other fixtures to masonry Climaseal blue coating delivers long-lasting corrosion protection Patented threadform doubles installation speed and delivers 20% more holding power than wedge or sleeve anchors Heavy-duty anchor design instills confidence by allowing for closer anchor spacing and closer to edge installation Reputation for quality, strength and ease of installation from industry professionals Approved for use in ACQ treated lumber Dimensions Anchor Diameter (in.) 3/8" Anchor Length (in.) 4 Fastener Length (in.) 4 Required Drill Hole Size (in.) 0.375 Details Color Family Blue Fastener Head Style Hex Fastener Plating Zinc Fastener Type Concrete Screws Fastener/Connector Material Steel Fastening Base Material Brick,Cinder Block,Concrete Features Coated Finish Climaseal blue Finish Family Blue Included No Additional Items Included Interior/Exterior Exterior,Interior Maximum Weight Capacity (lb.) 0 Measurement Standard SAE Package Quantity 9 Product Weight (lb.) 0.173