Genuine Bosch slotted pan‑head screw — part number 3603415556 — a slotted (flat‑blade) drive, pan‑style head with an M4 thread intended for fastening internal router/grinder assemblies.

This is the same small factory screw shown in Bosch exploded parts diagrams for several router models; example fits include GOF 1300 ACE, GOF 1600 series and POF 800 ACE, and it’s also listed for GMF 1400 CE in parts breakdowns.

Sold as the single genuine Bosch replacement screw, 3603415556 is sized to match factory threads and head profile so it replaces a stripped or lost fastener without re‑machining or modification. This small item is a common entry in Bosch power tool spare parts diagrams for routers and similar power tools.

If you’re repairing a tool and just need the correct original Bosch fastening hardware, this part is the direct replacement to restore proper fit and function. It’s one of the Bosch power tool parts that commonly appears on router assemblies and is a compact, critical power tool parts item for reassembly.