Now you can use premium-quality ARP chromoly bolts to install most anything on a car, boat, or trailer. These specially heat-treated 8740 chromoly fasteners feature a black oxide finish. Theyre nominally rated at 180,000 psi tensile strength to provide a substantial extra margin of safety over Grade 8 hardware. The bolts are available in a wide range of thread sizes, head styles, and other options. Bolts, Hex Head, Chromoly Steel, Black Oxide, 8mm x 1.25 RH Thread, 25mm UHL, Set of 5 Features: Fastener Size: 8mm x 1.25 RH Underhead Length (mm): 25.00mm Fastener Head Style: Hex head Fastener Material: Chromoly Fastener Finish: Black oxide Fastener Grade: ARP 8740 chrome moly Fastener Yield Strength (psi): 180,000 psi Wrench Diameter: 10mm Washers Included: Yes Quantity: Sold as a set of 5