Amazon.co.jp: M8 x 20mm P1.25 Hole Head Bolts, Baked Titanium, Color Button Bolts, Stainless Steel Sharpened, SUS304, Set of 20 TR0566-20SET : Automotive
Amazon.com: Bolt Base (8mm) M8 x 20 Black 12.9 Grade High Tensile Hex Socket Cap screws Self Colour Allen Bolts DIN 912 - 10 Pack : Industrial & Scientific
Amazon.com: M8 x 20mm Hex Socket Head Cap Screws,Pack 10-Piece,Stainless Steel,Full Thread,Metric,Knuled Head : Industrial & Scientific