Porter Cable's 3/16 in. Piloted Down Spiral Drywall Cut-Out Bit has a 1/4 in. shank, a piloted tip for better control, and creates less mess due to its down-cutting motion, which directs dust and shavings into the wall.
Porter Cable's 3/16 in. Piloted Down Spiral Drywall Cut-Out Bit has a 1/4 in. shank, a piloted tip for better control, and creates less mess due to its down-cutting motion, which directs dust and shavings into the wall.