0.1020" first hole diameter 0.4250" overall length 0.102 in. dia hole has 82 deg by 0.260 in. deep csk 22c-2 solid, external flange one end, interior flange (s) not located at either end
3a thread class left-hand 1.1770" overall length 0.1895" bore diameter 32 thread quantity per inch metallic hardness rating chromium inner member surface treated ball type unjf thread series