Samac QC8120COA1000 M8x120mm BZP Hex Hd Coach Screws (50) QC8120COA1000 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 supports high torque application using a wrench or socket set Coarse, deep thread provides a strong grip in wood Pointed tip assists with easy starting and secure installation Suitable for use with appropriate wall plugs in masonry applications Bright Zinc Plated (BZP) finish offers standard corrosion and rust resistance Suitable for structural timber projects, fencing, landscaping, and heavy-duty bracket mounting Samac QC8120COA1000 coach screws deliver reliable fastening performance where strength and stability are essential. Designed for demanding applications, these M8 x 120mm screws provide excellent holding power in timber and compatible substrates, making them a practical choice for construction, maintenance, and outdoor installation work. The hex head profile allows for efficient tightening, while the BZP finish adds a dependable level of protection for general-purpose use.