BigHead's® bondable Male TwinDisks® efficiently transfer tensile, shear and lateral loads to both skins of honeycomb, sandwich & composite panels, providing a lasting heavy-duty threaded stud as a fastening point. Male TwinDisks® are available in 2 basic designs - Symmetric & Asymmetric, each with a variety of disk/stud size combinations to satisfy your specific application requirements. EFC Representatives can assist you in selecting the correct configuration to suit your needs.

BigHead® Threaded Bolts are externally threaded with perforated heads. They come in a variety of head shapes and are manufactured in both metric and UNC thread forms in numerous lengths and diameters. BigHead® Bolts are available in steel and/or stainless steel, depending on thread size and stud length.

BigHead® Threaded Bolts are externally threaded with perforated heads. They come in a variety of head shapes and are manufactured in both metric and UNC thread forms in numerous lengths and diameters. BigHead® Bolts are available in steel and/or stainless steel, depending on thread size and stud length.

BigHead® Threaded Bolts are externally threaded with perforated heads. They come in a variety of head shapes and are manufactured in both metric and UNC thread forms in numerous lengths and diameters. BigHead® Bolts are available in steel and/or stainless steel, depending on thread size and stud length.