Unc thread drill size July 8, 2019 16 32 64 128 Unc thread drill size chart 1 4 20 unc thread drill size Unc thread tap drill size 3 8 unc thread drill size 10 24 unc thread drill size 3/4 unc thread drill size 6-32 unc thread drill size 4 40 unc thread drill size 3 8 16 unc thread drill size
