An assortment of grade 5 hex cap screw variants from The Hillman Group. Hex cap screws can be used when looking for outdoor applications or simply a stronger bolt. Variants included in this assortment feature a fine 9/16"-18 thread size and range from 1" to 4" in length. Full assortments of #2284 contain eight (8) refills comprised of Hillman item numbers #2285 - #2292.