Some crate repairs fight back for a simple reason: the wood is dry, the pilot hole is tight, and the screw is being asked to do too much work at once. That is when the driver slips, the head chews up, or a small corner block moves just as the screw starts to bite.
A little wax can make the job calmer. Before driving a screw by hand, touch the threads to a scrap of candle wax, beeswax, or a clean block of paste wax. You do not need a coating you can see from across the bench; a light touch on the threads is usually enough.
Wax helps the screw slide through the pilot hole with less squeak and less force. That matters on thin slats, display crates, handles, divider strips, and small repair blocks where too much pressure can shift the part or split the edge.
The habit works best with the basics still in place: drill a pilot hole, keep the screw length sensible, clamp or hold the work square, and stop driving when the head seats. Wax is not a shortcut for the wrong screw; it is a small aid for a good fit.
Keep one wax scrap in a shallow tray near the drill bits and hand drivers. If it has a permanent home, it becomes part of the repair rhythm instead of another thing to hunt for when the work is already awkward.
Practical takeaway: for stubborn small crate repairs, pilot first and wax the screw threads lightly. The screw drives smoother, the part stays steadier, and the finished repair looks less forced.
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