SpaxB Drill CS 3.5mm + 4.0mm
Details
SpaxB Drill Countersink bit is suitable for screws from 3.5mm to 4.0mm in diameter. This allows the user to swiftly drill and countersink a hole in one motion to reduce the chances of splitting timber. Combined with a nylon ring, it won't damage the brand-new surface so you can be confident when drilling.