3 8 24 thread size July 8, 2019 16 32 64 128 3 8 24 thread drill size 3 8 24 unf thread size 3 8 24 thread hole size 3 8 24 unf thread drill size Tap drill size for 3 8 24 thread Drill bit size for 3/8 24 thread 3/8-24 thread 3/8 thread