LinkMejor Lag Screws 4 Inch, #14 x 4 Wood Screws, 50-Pack Heavy Duty Self Drilling Structural Screw, Washer Head, Black Coated, T30 Star Drive (with Bit), for Exterior Wood and Timber Fastening

Key Features

• 【Package Contents】Includes 50 pieces of #14x4" lag screws and one T30 insertion bit. Multiple lag screw sizes are available to suit various fastening needs. The modified truss washer head is designed to sit flush with the surface, providing a smooth finish on wood joints. Suitable for use as construction screws, 4-inch wood screws, or black coated timber fasteners.
• 【Material】Made from carbon steel with a dual-layer protective coating. These screws have passed a 1000-hour salt spray test without coating degradation, demonstrating resistance to corrosion and rust. Designed for use in outdoor and moisture-exposed environments. Applicable for wood joining, furniture assembly, and structural connections.
• 【Knurled Shank & Self-Tapping Design】Features a knurled shank to reduce rotational resistance during installation. Deep thread profile and a Type 17 notched tip allow the screw to penetrate wood materials with minimal pre-drilling. Facilitates secure fastening in hardwood, softwood, and laminated boards.
• 【Application Range】Used for assembling wooden furniture including beds, tables, cabinets, and chairs. Also suitable for general carpentry tasks such as framing, fencing, deck construction, workbenches, and countertop installation. Can be used in both indoor and outdoor wood structures requiring durable fasteners.
• 【AFTER SALE SERVICE】 LinkMejor team aims to provide our customers with a professional service. Dedicated to promptly solving any concerns or queries. Please contact us if you have any issues with the products.