Socket shoulder screws are available in metric and imperial sizes, in a wide range of diameters and lengths, brands stocked include both Unbrako shoulders and Imported, Unbrako socket shoulders are sold only in packs, whereas unbranded / imported socket shoulders screws are sold in singles and packs. Franciskirk.com is one of the oldest fasteners and fixings suppliers online, we hold a huge amount of stock including socket shoulders, socket caps, socket buttons and socket countersunks all at low prices.