Original DeWalt screw — part 330045-07 — Torx T20 drive, M4 × 20 mm length; a factory-style fastener used to secure housings and internal assemblies.

Commonly fitted to several DeWalt angle grinders (example models include DWE4557, DWE4559N, DWE4577 and DWE4579 — Type‑1 variants and other models use the same screw).

This is an original DeWalt replacement part sold as the single screw you need to reinstall guards, covers or motor housings — use a T20 Torx driver and hand-start the screw to avoid cross-threading.

If you want to keep your repair straightforward, this is one of those small DeWalt parts that makes reassembly clean; it’s also exactly the kind of essential power tool parts item to have on hand when restoring an angle grinder to safe working order.