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 M4-0.70 & M5-0.80 coarse thread sizes and range from 10mm to 30mm in length. Full assortments of #4152 contain ten (10) refills comprised of Hillman item numbers #4153 - #4162.