Anti-Corrosion Coating: 3 inch deck screws are made of premium quality carbon steel with 4-layer yellow coating. Superior protection against rust and corrosion. Structural screws can be exposed to the sun, humidity, rain and snow for a long time Self-Tapping & Knurl Thread: Outdoor wood screws with self-tapping points and coarse threads for increased self-tapping speed. No need to pre-drill, construction screws save time and effort. Knurled shanks allow for fast, consistent drilling into wood Torx drive & Superior Grip: The star drive design dramatically increases torque, reduces protrusion, and protects fasteners and bits. Screw tips and coarse threads allow these 3 inch wood screws to be installed quickly and efficiently into wood materials Wide Applications: The screws set is easy to use and carry in the box. Wood screws are durable and sturdy for various materials. Carbon steel deckmate screws can be widely used in decking, framing, fencing, construction and other outdoor applications T25 Torx Bit: Wood screw set includes 300 pcs #10 x 3" wood screws, one 50mm T25 bit. The T25 bit allows for quick installation of screws. External screws come in a box for easy storage and portability

Decking screws are made of heat-treated steel carbon for durability and long-lasting woodworking projects. Multi-coated, 3 inch screws offer excellent resistance to rust and corrosion for long-lasting use even in harsh environments. Lag screws for wood are perfect for outdoor, home and industrial applications such as deck building, log building, timber framing, laminated beams and pole barns. The star shaped screw head design allows for a tighter screw to drive head connection that is less likely to slip during use, allowing for faster and more efficient drilling of screws into wood structures.