1/4-20 Bolt connecting
the generator coupling shaft to the generator and water pump on
1930 – 1931 Cadillac V-16.
Cadillac part number 892363.
Material: 4140 Steel, heat treat grade 8
Finish: Natural
Thread: 1/4-20
Thread length: .675
OAL: .867
Hex: .437
Head height: .192
Length under head: .675
