1/4" 5/16" 3/8" 5/8" 3/4" 1" 1-1/8" 1-3/8" 1-1/2" 1-3/4" 2" 2-3/4" 3-1/4" 4-3/8" APEXX CNC Porcelain UCS Thin-Wall Core Bit - () - Drilling Depth $ 42.95