#8 X 2-1/2", Externally Threaded Fasteners, Thread Cutting Fasteners, Wood Screws, US Units, Flat Countersunk Head, Slotted Drive, Steel, Hot Dip GalvanizedAspen Fasteners stocks over 200,000 different fasteners in metric and inch for immediate delivery. Through our partners we have access to virtually every fastener type; standard or specialty items, in most materials. If you have any questions, can't find what you are looking for or require larger/smaller quantities, please contact us. We aim to be your fastener solution.