M12 12mm Cup Square Carriage Bolt Penny Washers & Nuts Zinc 110mm - 300mm

M12 12mm Cup Square Carriage Bolts with Penny Washers and Nuts in zinc plating offer reliable fastening for structural and mechanical applications. Available in lengths from 25mm to 100mm, these bolts provide secure, corrosion-resistant connections ideal for wood and metal assemblies. The square neck design prevents rotation during installation, ensuring a tight, stable fit. Zinc coating enhances durability, making them suitable for both indoor and outdoor use. Perfect for professionals seeking dependable hardware with consistent performance.