Flat head wire nails, 40mm in length, engineered for precision fastening in construction and carpentry applications. These nails feature a broad, flat head that distributes load evenly across surfaces, minimizing material damage and reducing the risk of splitting in delicate timber. Ideal for general-purpose fastening, trim work, and finishing applications where aesthetic appeal matters. The 1.5mm gauge provides optimal strength-to-weight balance for most residential and light commercial projects. Stock these reliable fasteners for consistent, professional results.