Number Drill Sizes
This chart shows the diameters of number gauge drills size 80 (the smallest) to size 1 (the largest). Contact Us (800) 981 9663 Your Orders Cart On Sale Value Packs New Products All Products Catalog ... Number Drill Sizes. This chart shows the diameters of number gauge drills size 80 (the smallest) to size 1 (the largest). Drill: