Samac QC690COA1000 M6x90mm BZP Hex Hd Coach Screws (100) QC690COA1000 Pack of heavy-duty hex head coach screws, commonly known as lag screws Engineered for high-load mechanical fastening Ideal for joining heavy timbers and securing metal hardware to wood Hexagonal head design allows high torque application with a wrench or socket set Coarse, deep thread provides a strong grip in wood Pointed tip supports efficient installation and secure fixing Suitable for use with appropriate wall plugs in masonry Bright Zinc Plated (BZP) finish offers standard corrosion and rust resistance Recommended for structural timber projects, fencing, landscaping, and heavy-duty bracket mounting Samac M6x90mm BZP Hex Head Coach Screws deliver reliable performance for demanding fixing applications. Designed for strength, stability, and ease of installation, these screws provide a secure solution for structural timber work, external fittings, and heavy-duty hardware attachment. The hex head enables efficient torque transfer, while the coarse thread ensures a firm hold for dependable long-term performance. Supplied in a pack of 100, they are a practical choice for professional trades and general construction use.