Brand: Automotive Racing Products (ARP)
These high-strength ARP bolts are great for installing most accessories.  The 170,000 psi tensile strength bolts are made of stainless steel with a polished, corrosion-resistant finish.  Pack of 5 bolts includes matching washers.  
These M6 bolts (6 x 1.0mm thread) have a 65mm long under-head length including the 47mm grip (unthreaded portion).  The 12-point head takes an 8mm wrench, but has a full 11.6mm bearing surface.  The head measures 6.5mm tall.