We stock many grades of fasteners ranging from low carbon steel on up to hardened, heat treated steel. Not all fasteners are applicable for all applications so be certain to test thouroughly and get the opinion of a licensed building or certified building or structural engineer before relying on these fasteners for any situations where failure would result in damage to property or person. Diameter: #8 Length: 1/2 inch Material: Aluminum We also sell coated and stainless products for additional rust resistance. Hillman 3761 8 x 3/4 in. Aluminum Hex Washer Type: Sheet Metal Screw We offer a huge selection of fasteners in bulk as well as small quantities. Buy Hillman #8 x 1 in. Slotted Hex Washer Head Sheet Metal Screws, 100-Pack at Tractor Supply Co. Great Customer Service We are your one-stop source. Sheet metal screws are designed for connecting metal objects to one another or connecting metal to wood, plastic, and other such materials Hard-to-Find Fastener 014973266363 14-Inch X 1-1/2-Inch Slotted Hex