- FREUDCARBIDE HINGE BORING BIT - 1/4" X 57.5MM (RIGHT)36FBP63557RCall for PriceAvailability: Special OrderFREUDCARBIDE HINGE BORING BIT-RIGHT - 10MM X 57.5MM BRAD POINT36FBP10057RCall for PriceAvailability: Special OrderFREUDCARBIDE HINGE BORING BIT-LEFT - 10MM X 57.5MM BRAD POINT36FBP10057LCall for PriceAvailability: Special Order