BRAND NEW IN BOX
Now you can use premium-quality ARP chromoly fasteners to install most anything on a car, boat, or trailer. These specially heat-treated 8740 chromoly bolts feature a black oxide finish. They are nominally rated at 180,000 psi tensile strength to provide a substantial extra margin of safety over Grade 8 hardware. What's more, you can't beat the gorgeous looks of ARP fasteners and their ability to resist rust. They're truly maintenance-free!
Features:
Thread Size: 5/16-18 in.
Underhead Length (in): 1.000 in.
Fastener Head Style: Hex
Fastener Material: Chromoly
Fastener Finish: Black oxide
Fastener Yield Strength (psi): 170,000 psi
Wrench Diameter: 3/8 in.
Washers Included: Yes
Quantity: Sold as a set of 5