80/20 Inc, 4606, Quick Frame Series, M8 x 1.25" Extended Tube Insert Without Fasteners (10 Pack): Amazon.com: Industrial & Scientific
Amazon.com: M8 x 26 Black Nickel 12 Point Flange Bolts for Two Piece Wheels (80) : Industrial & Scientific
Amazon.com: A2 Stainless Stell Flanged Button Head Screws Hex Socket Flange Bolts M8 x 80-100 Pack : Industrial & Scientific
Amazon.com: M8-1.25 x 80mm (10mm to 120mm Available) Socket Head Cap Screws, Allen Socket Drive, 12.9 Alloy Steel, Full Thread, Black Oxide, 10 PCS : Industrial & Scientific