We are constantly adding to our capabilities and product lines to provide our customers the best options for their fastener needs. You can now find many of the fastener kits, in both plastic and metal assortment boxes, available for direct purchase through our website. Specific fastener categories covered are too many to list here but include the basics like sheet metal and machine screws, as well as the more specialized parts like O-rings and automotive related items. Please take a moment to browse our selection at www.engineeredsource.com and do not hesitate to reach out with any questions you may have.