An assortment of class 8.8 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 range from M8-1.00 to M12-1.25 in fine thread size and from 65mm to 120mm in length. Full assortments of #3906 contain eight (8) refills comprised of Hillman item numbers #3907 - #3914.