M8 (8mmThread) A2 COUNTERSUNK CSK SOCKET CAP ALLEN BOLT SCREWS STAINLESS STEEL
Countersunk Allen Bolts. Allen key sizes: M8=5mm key. A2 Stainless Steel. Stainless Steel A2 (304), DIN 7991. The bolt length includes the head. Bolt World. These bolts are all fully threaded.