ARP stainless steel bolts are rated at 170,000 psi to provide a substantial extra margin of safety over Grade 8 and other hardware. Theyre available in hex head or 12-point styles and a variety of lengths and sizes for use on cars, boats, trailers, and more. Stock up on these truly maintenance-free bolts so youll have them when the need arises. Order the ARP stainless steel bolts designed to fit your application.Bolts, 12-Point Head, Stainless 300, Polished, 6mm x 1.00 RH Thread, 30mm UHL, Set of 5Features:Fastener Size: 6mm x 1.00 RHUnderhead Length (mm): 30.00mmFastener Head Style: 12-pointFastener Material: Stainless steelFastener Finish: Polished Fastener Grade: ARP Stainless 300 Fastener Yield Strength (psi): 180,000 psi Wrench Diameter: 8mm Washers Included: Yes Quantity: Sold as a set of 5