Cup Square Zinc Plated Bolt & Nut Assembly, 6x50mm This industrial-grade fastening solution combines a square cup bolt with matching nut in a compact 6x50mm configuration. The zinc plating provides reliable corrosion resistance, making it suitable for both indoor and outdoor applications. The square cup design offers enhanced grip and load distribution, while the included nut ensures secure fastening. Ideal for construction, machinery assembly, and general maintenance work where dependable hardware is essential.