Flat head wire nails, 40mm in length, engineered for reliable fastening in general construction and carpentry applications. These nails feature a broad, flat head that distributes load effectively across surfaces, minimizing material damage and reducing the risk of splitting in timber work. The 1.5mm gauge provides optimal strength-to-weight balance for medium-duty tasks. Ideal for framing, trim work, and securing panels where a professional finish is required. Stock these versatile fasteners for consistent performance across diverse building projects.