Tools & Gear Drills Masonry

GRT-3-4 3/16" GRT Multi-Purpose 4" Drill Specialised serrated carbide ram tip drill. Percussion or rotary-only. The Groo-V® Tip bit makes holes in almost all materials! Engineered for drilling hard materials, these specialised Ram Tip Bits have a serrated carbide tip, which penetrates faster - up to 50% faster than standard masonry bits! A drill press or supported drill motor is recommended for drilling hard metal.