Cup Square Zinc Plated Bolt & Nut Assembly 6x40mm This square cup bolt and nut combination delivers reliable fastening for structural and mechanical applications. The 6x40mm dimensions provide optimal grip length for medium-duty connections, while the zinc plating offers corrosion resistance suitable for both indoor and outdoor environments. The square cup head design distributes load effectively, reducing surface damage during installation. Paired with a matching nut, this assembly simplifies procurement and ensures compatible threading. Ideal for construction, fabrication, and maintenance work where dependable fastening is essential.
