You’ll need a quality countersink drill bit if you need to ensure a flat-headed screw rests flush with the surface you’re drilling into. You can also use this type of drill bit to create smooth edges when you’re drilling metal. You’ll find a Trend Snappy countersink drill bit for every possible job right here. Available in a range of screw sizes and shank diameters, these quality products are perfect for creating flush, clean finishes when you’re drilling wood and metal.