2pcs/lot Bike Rear Derailleur Hanger Mech Gear Dropouts for Wheeler Buddy 01 with Screws|Bicycle Derailleur| - AliExpress
GH-161 Derailleur Hanger for Trek (Marwi UNION bike rear gear mech hanger dropout) - Elanus Parts
Wheels Manufacturing Inc. M8 Derailleur Hanger Bolt - Ride On Wooster
M4x8 Flat Head Derailleur Hanger Screw (5 pcs) - Elanus Parts
M8 Chainring Derailleur Hanger Bolt Long Version Set of 2 M8 x 12 Fasteners Compatible with Specific GT Specialized Dropouts : Industrial & Scientific - Amazon.com
Vintage Shimano Frame Rear Derailleur Hanger With screws NOS (458) | eBay
MEC Dash & Ace All Years Derailleur Hanger Screw
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
Amazon.com : Syntace X-12 System Derailleur Hanger Screw : Bike Derailleurs : Sports & Outdoors