Home Products Power Tool Accessories Drill Bits Bell Hanger Drill Bits Bell Hanger Drill Bits 5/16 X 18″ Bell Hanger Drill Bits 5/16 X 18″ (33220) Bell hanger drill bits feature a polished finish and 118 degree end point Heat treated and hardened for a long useful life String wire through walls floors and ceilings Find a Retailer Find on Amazon