Timco Stainless Steel Set Screws / Bolts (Silver) - M8 x 80mm (5 Pack Bag) (S880SSX) These stainless steel screws can be used as both a set screw adjoining objects with threaded cavities or as a traditional bolt when combined with a nut. Socket Size: 13mm Made from A2 Stainless Steel which means these set screws have impeccable corrosion resistance properties and can be used in exposed outdoor applications. These fully threaded dual purpose set screws can be used as both a traditional set screw which can hold surfaces together solely using the threaded shaft or as a traditional bolt which uses a bolt to clamp surfaces together. The flat point tip and head helps to reduce the chances of a scratch / damage to any other materials which come into contact with the set screw. Size: Smaller Sizes M8 x 60mm (5 Pack) M8 x 80mm (5 Pack) M8 x 100mm (5 Pack) M10 x 20mm (10 Pack) M10 x 25mm (10 Pack) M10 x 30mm (10 Pack) Larger Sizes Type: Stainless Bolts Only Zinc Bolts Only Zinc Bolts with Nuts