An assortment of stainless steel metric hex cap screws 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 come in M6-1.00 & M8-1.25 coarse thread sizes and range from 10mm to 60mm in length. Full assortments of #4163 contain fourteen (14) refills comprised of Hillman item numbers #4164 - #4177.