Here are a few sources
https://www.mcmaster.com/#91255a047/=15to85s
https://www.fastenal.com/products/details/0154547?r=~|categoryl1:%22600000%20Fasteners%22|~% 20~|categoryl2:%22600039%20Sockets%22|~%20~|catego ryl3:%22600043%20Button%20Socket%20Cap%20Screws%22 |~%20~|sattr04:^%227/16%22%20-%2014%22$|~
https://www.fastenersclearinghouse.c...FL9C91B3B0185;