These DIN 603 carriage bolts are ideal for wood-to-wood fixings and other applications requiring a smooth finish. The bolt features a rounded head with a square shoulder underneath, which prevents rotation during nut tightening or removal, ensuring secure fastening. This makes it a reliable choice for achieving strong, stable connections on surfaces that require a clean appearance. Dimensions: Shank diameter: M8. Total length (under head): 20 mm. Thread length: 15 mm. General tolerance: +/- 0.3 mm. Unit weight: 13.8 g. Quality class: 4.6. Material: Zinc-plated steel for enhanced corrosion resistance. DIN standard: 603. Available in various sizes and diameters to suit a wide range of applications. Selecting the correct size is essential for optimal performance. Also known as plow bolts, these fasteners consist of a smooth, domed head, a square neck, and a threaded shank. The bolt joins two components using a matching nut (not included). Using washers (not included) is recommended to reduce loosening and protect the contact surface. Thanks to the zinc-plated finish, these bolts offer good rust resistance and are suitable for both indoor and outdoor use, including humid environments and demanding industrial or domestic applications. Durable and reusable, they provide long-term performance. Intended for fastening, joining, connecting, assembling, and securing components. The square neck design allows for quick and easy installation, delivering consistent and reliable results. For best results, pre-drill holes before assembly and use washers and nuts of compatible quality. Applications include DIY projects, industrial assembly, and household repairs.