Amazon.com: M8 Chainring Derailleur Hanger Bolt Long Version Set of 2 M8 x 12 Fasteners Compatible with Specific GT Specialized Dropouts : Industrial & Scientific
M3x10 Flat Head Derailleur Hanger Screw (5 pcs) - Elanus Parts
TIL your little derailleur hanger screws can come loose over time. Wouldn't want to lose one of these. Glad I caught this! : r/bikewrench