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Why veneer needs a different approach
Veneer is a thin layer of real wood bonded to a core such as plywood, MDF, or particleboard. A drill can cut the core cleanly and still leave a ragged rim where the bit crosses the veneer. The most visible damage usually happens at the exit: the bit pushes the last fibers forward before cutting through them.
For small holes, the bit matters, but support and feed matter just as much. A sharp bit, a sacrificial backing board, and steady pressure will usually beat an expensive bit used carelessly. Veneer can be only a fraction of a millimeter thick, so there is little material to hide a tear-out.
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Which bit should you buy?
For ordinary holes in veneered plywood or furniture panels, start with a sharp brad-point bit. Its center spur locates the hole, while the outer spurs score the veneer before the cutting edges remove material. That scoring helps keep the rim from splintering. A brad-point set is a practical choice for repeatable holes from roughly 3 mm to 12 mm.
For larger holes, use a sharp Forstner bit when you need a flat-bottomed recess or a clean, controlled opening. It cuts around the perimeter and is less prone to wandering than a hole saw. For larger through-holes where speed or a wider diameter matters more than a flat bottom, a fine-tooth hole saw can work—but backing the panel is especially important.
A standard twist bit is acceptable for occasional small holes if it is sharp and you support the back. It is usually cheaper and widely available, but it can wander more easily and tends to leave a rougher edge in veneer. Avoid using a dull bit just because the hole is hidden; dull edges generate heat and push fibers instead of slicing them.
Bit comparison
| Bit type | Best use | Trade-off |
|---|---|---|
| Brad-point | Clean, accurately located small and medium holes | Not ideal for very large holes; spurs can be damaged by nails or grit |
| Forstner | Large holes and flat-bottomed recesses | Needs a stable drill and more care to control than a small bit |
| Fine-tooth hole saw | Wide through-holes, especially when speed matters | Can tear the exit veneer without firm backing; leaves a plug to remove |
| Sharp twist bit | Occasional small holes on a budget | More likely to wander or leave a rough rim |
What to look for when buying
Choose bits intended for wood, not masonry bits meant for hammer drilling. A brad-point set covering common furniture and cabinet sizes is a sensible first purchase; check that the set includes the diameters you actually need rather than paying for a large range of rarely used bits. Look for cleanly ground cutting edges and straight shanks.
A basic set is fine for occasional DIY work. If you drill veneer often, buy fewer, better-ground bits in the sizes you use most. Keep them in a case so the sharp spurs do not knock against other tools. Browse brad-point wood bit sets for common sizes, or compare Forstner bit sets if your work includes wider holes or recesses.
You do not need an impact driver for this job. Use a drill or drill/driver with the clutch set to drilling mode, and turn hammer mode off. A cordless drill is convenient; a corded drill is also fine. For holes wider than about 25 mm, a slower speed and a firm two-handed grip are useful, especially with a Forstner bit or hole saw.
How to get clean entry and exit edges
Mark the center with a pencil or fine-point awl. With a brad-point bit, the center spur usually locates the hole without a deep punch. Clamp the panel flat to a scrap board that you do not mind drilling into. The backing supports the veneer fibers at the exit and is the single most reliable way to reduce breakout on a through-hole.
Set the drill to a moderate speed and keep it perpendicular to the surface. Let the bit cut; do not lean hard on the drill. Excess pressure can make the bit grab as it breaks through, especially with a wide bit. For holes larger than 10–12 mm, ease up as the tip approaches the back face. If you can reach both sides, drill from the finished face until the center spur just appears on the back, then turn the panel over and finish from that mark.
For a particularly fragile face, apply painter’s tape over the mark before drilling. Tape can help restrain surface fibers, but it is not a substitute for backing the panel. Test first on an offcut: low-quality veneer or a brittle finish may lift when the tape is removed.
Clear chips from the hole if they start packing around the bit. Packed chips increase heat and can burn the edge or cause the bit to bind. If the drill begins to pull sharply, stop rather than forcing it. A hole saw should be used with its pilot bit installed and the work clamped securely.
Common mistakes and fixes
If the entry edge chips, check that the bit is sharp and that the panel is not moving. A center punch used too aggressively can crush veneer before drilling even begins. If the exit edge tears, add a tight-fitting sacrificial backer or drill halfway from each face. If the hole is oversized or out of position, the bit may have wandered at the start; use a brad point, guide block, or drill guide for the next one.
For a single hidden hole, a sharp twist bit and scrap backing are usually enough—there is no need to buy a specialty set. For visible holes, repeated work, or a costly veneered panel, a brad-point bit is a modest upgrade that improves location and edge quality. Large holes call for the right cutter and slower, more deliberate drilling rather than simply pressing harder.