1/4-20 x 1-1/4" Carriage Bolt
Ships from US and is sold by Pinball Life$0.40
This bolt attaches the coin door frame to the cabinet and the back box hinge to the back box on Wiliams/Bally 90's-era games.
Used in conjunction with the 1/4-20 whiz flange locknut.
Williams/Bally reference #4320-01123-20B.
Data East/Sega/Stern reference #231-5003-00.