This set of vintage coach bolts and nuts from GKN are perfect for any DIY or industrial project. With a diameter of 10mm and a thickness of 10mm, these round bolts feature a closed end and a domed head style, finished in black oxide for added durability. Made of sturdy steel with a thread size of M10, these bolts come in a pack of 10 and are ideal for fastening materials together securely. Each bolt has one hole per leaf and a gauge of M10, making them perfect for heavy-duty applications. These coach bolts are manufactured in the United Kingdom to the highest standards and are suitable for use in a wide range of business, office, and industrial settings.