What's inside
As an Amazon Associate I earn from qualifying purchases. This post may contain affiliate links at no extra cost to you.
Laminate chips when the drill bit lifts or tears the brittle surface layer as it exits. The fix is mostly about controlling the bit: use a sharp bit suited to the hole, support the laminate, and drill slowly without letting the drill push through at full force. These steps work for laminate flooring, countertops, and panels, though the material behind the surface determines which bit you need.
What we cover
Check what is behind the laminate
Before drilling, identify the substrate and check for pipes, wires, or other hidden services. Laminate flooring usually sits over a thin underlayment and a subfloor; a countertop may have particleboard or plywood beneath its surface. If you are drilling into a wall panel, the backing could be wood, drywall, or masonry. The right bit and drilling method depend on that backing, not just the laminate.
For a through-hole in laminate flooring, make sure the hole is actually needed. Flooring needs room to expand, and a tightly fitted pipe or fastener can cause buckling. Follow the flooring maker’s clearance guidance; for a pipe, a hole saw slightly larger than the pipe is commonly used, with the gap covered by an escutcheon.
Choose the right bit and drill
For a small hole in a wood-backed laminate panel, use a sharp brad-point bit or a sharp standard twist bit. A brad-point bit starts accurately and tends to wander less, but it is not a universal choice for hard materials or masonry. For a larger round hole, use a hole saw sized to the fitting or pipe. If the backing is masonry, use a masonry bit for the backing after getting through the laminate; do not use hammer mode while the bit is passing through the surface layer.
A regular cordless drill is sufficient for most laminate jobs. Turn off hammer mode, if the drill has it. An impact driver is a poor choice for making clean holes: its pulses can make the bit jump and damage the face. It may be useful for driving screws afterward, but use a drill for drilling.
If you need a bit for occasional household holes, a quality standard twist bit is often the cheaper, perfectly adequate option. For repeat work or clean, accurately placed holes in wood-backed panels, a brad-point drill bit set is worth considering. Check the bit diameter and shank against your drill’s chuck before buying.
Compare hole-making options
| Hole type | Useful choice | Trade-off |
|---|---|---|
| Small hole in wood-backed laminate | Sharp brad-point or twist bit | Inexpensive and simple; a twist bit can wander without a guide. |
| Large round opening | Hole saw with pilot bit | Fast for pipe-sized holes, but needs firm control and can snag as it breaks through. |
| Hole continuing into masonry | Regular bit through laminate, then masonry bit | Requires a bit change; hammer action belongs on the masonry stage, not the laminate. |
Mark and support the surface
Measure twice and mark the center with a pencil. Avoid deeply scratching the laminate to make a starting point; a scratch can become a visible crack. Clamp a loose panel flat to a stable work surface, with scrap wood underneath. The scrap supports the back of the panel and reduces breakout as the bit exits. Keep clamps clear of the drilling path.
For installed flooring or a fixed countertop, you may not be able to clamp backing material behind the surface. Apply painter’s tape over the mark and drill through it. Tape helps limit surface scuffing and gives a pencil mark a clearer place to sit, but it is not a substitute for backing support and will not prevent every chip.
Drill with control
Set the drill to a low speed and use steady, light pressure. A typical starting range for a small bit is around 500–1,000 rpm, but the right speed varies with the bit, diameter, and substrate. Let the bit cut rather than forcing it. Keep the drill square to the surface; leaning it can enlarge the entry hole or make the bit catch.
For a through-hole, ease off pressure as the tip approaches the back of the panel. Stop when the tip just breaks through, then finish from the other side if you can safely reposition the work. This leaves each face with a clean entry instead of letting the bit tear out through the far face. With a hole saw, drill until its pilot bit exits, then stop and complete the cut from the opposite side when access allows. Keep hands away from the bit and secure the work before reversing direction.
In a fixed countertop where you cannot reach the back, use a sharp hole saw and maintain a firm, square grip. Reduce pressure as the cut nears completion; a helper can watch the underside if it is accessible. A hole saw can grab abruptly when its teeth catch, so keep your wrist aligned and do not use a loose panel or an unsupported drill setup.
Avoid common failures
Chipped edges often mean the bit was dull, the panel was unsupported, or the drill was pushed too hard at breakthrough. Replace a bit that squeals, burns the backing, or needs unusual force. If the laminate starts lifting around the hole, stop; continuing can turn a small flaw into a larger delaminated patch.
Do not use hammer mode on laminate, and do not start with a large bit that has no stable pilot point. For a large hole, a hole saw’s pilot bit helps locate the cut, but the saw still needs control and support. If you are drilling into a wall and hit masonry, switch to a masonry bit only after the surface layer is clear. Choose a wall anchor for the actual wall material and hole diameter, and match the drill bit size to the anchor maker’s instructions.
After drilling, remove tape and brush away dust rather than scraping the edge with a metal tool. If a pipe passes through flooring, leave the required expansion gap instead of filling it tightly with caulk or wedging the pipe against the laminate.