ARP's Bulk Metric Thread Bolts are the premium quality you would come to expect from ARP, now allowing you to fasten almost anything on a car, boat, trailer and more. These specially alloyed stainless steel bolts and heat-treated 8740 chrome moly bolts with black oxide finish are nominally rated at 180,000 psi tensile strength to provide a substantial amount of extra safety over grade 8 hardware. Available in sizes from M6 to M12.