CE RD PHG 250 0517 Copyright 2010 by Wurth 05 0153 Masonry Drill Bits 118 point carbidetip masonry regular helix black oxide Wide flutes improve dust removal For best performance use slow speed and apply enough feed pressure to keep the drill cutting For recommended use in brick concrete and sandstone Size Shank Overall Art No Dia Length 18 18 3 64718 532 532 312 647532 316 316 4 647316 14 14 4 647144 14 14 6 647146 516 14 4 6475164 516 14 6 6475166 38 14 4 647384 38 14 6 647386 12 14 4 647124 12 38 6 647126 58 12 6 647586 14 straight shank 12 6471412 516 straight shank 12 64751612 38 straight shank 12 6473812 12 straight shank 12 6471212 58 straight shank 12 6475812 34 straight shank 12 6473412