Stainless
steel hex bolt to hold the commutator and drive end on Delco starter #429
and others.
Delco Remy Part #37872.
Thread: 10-32
Hex: 3/8
For use on many cars of the 1920s and 1930s including:
Duesenberg J
Auburn
1928-31
Buick 1929-30
Cadillac 8 1927-33
Chrysler 1928-32
LaSalle 1927-31
Nash
1924-28
Pierce Arrow 1926-31
Reo 1927-33
Studebaker 1928-31