BigHead® Nails are 3 mm pointed studs attached to head sizes ranging from 15-38 mm wide. They are available in many different head shapes to suit your specific application needs. Custom shapes and sizes are readily available as well. The Nails have a large, perforated "head" providing an invisible, molded-in fastener, fixed for life, with very high torque and shear resistance. These studs must be ordered with a Spring Clip.