An assortment of marine-grade #316 stainless steel 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 coarse 1/2"-13 screw thread and range from 1" to 4" in length. Full assortments of #40283 contain seven (7) refills comprised of Hillman item numbers #30290 and #40284 - #40289.