An assortment of zinc curved-head bolts, knobs, and locknuts from The Hillman Group. Curved-head bolts are great when fastening materials to a cylindrical or curved surface. Variants included in this assortment come in 1/4"-20 and 5/16"-18 coarse thread sizes. Full assortments of #58465 contain twelve (12) refills comprised of Hillman item numbers #55240, #55242, #58466, #58468 - #58475, and #58477.