Wood screws engineered for reliable fastening in timber applications. These countersunk (CSK) steel screws feature a 4.0mm diameter and 30mm length, delivering secure hold in softwood and hardwood materials. The countersunk head design sits flush with the wood surface for a clean, professional finish. Manufactured from durable steel construction, these screws resist corrosion and provide consistent performance across residential and commercial woodworking projects. Ideal for cabinetry, furniture assembly, and general carpentry work.