ARP Chromemoly Bolts 5/16 in.-18 RH Thread, 3.000 in # 641-3000
Bolts, 12-Point Head, Custom 450, Black Oxide, 5/16 in.-18 RH Thread, 3.000 in. UHL, Set of 5
hread Size
5/16-18 in.
Underhead Length (in)
3.000 in.
Fastener Head Style
12-point
Fastener Material
Chromemoly
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.
Now you can use premium-quality ARP chromemoly fasteners to install most anything on a car, boat, or trailer. These specially heat-treated 8740 chromemoly 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!