In this overview, the Delock M3 x 20 mm Fan Screws Set 20-Piece is compared with alternative sets from the same manufacturer: Delock Fan Screws Set M5 x 20 mm 20 pieces, Delock M3 x 30 mm Fan Screws Set, 20 pieces, Delock Fan Screws Set M4 x 20 mm 20 pieces 42463, Delock M3 x 40 mm Fan Screws Set 20 pieces, and Delock M4 x 35 mm Fan Screws Set 20-Piece. All these products are designed for securely mounting cooling fans in computer systems and electronic enclosures, each containing 20 pieces per pack to ensure a stable cooling setup. The main practical differences among them lie in the thread diameter and screw length, which dictate compatibility with specific fan frames and installation depths.
⚙️ Below is a specification comparison covering thread diameter, screw length, pack quantity, and practical application for each set.
| Parameter | Delock M3 x 20 mm Fan Screws Set 20-Piece | Delock Fan Screws Set M5 x 20 mm 20 pieces | Delock M3 x 30 mm Fan Screws Set, 20 pieces | Delock Fan Screws Set M4 x 20 mm 20 pieces 42463 | Delock M3 x 40 mm Fan Screws Set 20 pieces | Delock M4 x 35 mm Fan Screws Set 20-Piece | Practical significance |
|---|
| Product type | Fan screws set | Fan screws set | Fan screws set | Fan screws set | Fan screws set | Fan screws set | All options serve the exact same core purpose of securing cooling fans in a PC build. |
| Pieces per pack | 20 pieces | 20 pieces | 20 pieces | 20 pieces | 20 pieces | 20 pieces | Each package provides enough hardware for multiple fan installations. |
| Thread diameter | M3 | M5 | M3 | M4 | M3 | M4 | The diameter must precisely match the mounting holes of your fan or chassis. |
| Screw length | 20 mm | 20 mm | 30 mm | 20 mm | 40 mm | 35 mm | Longer screws accommodate thick radiator frames or specialized clearance needs. |
◎ The table below evaluates the suitability of each screw set for different PC building scenarios and mounting requirements.
| Use case | Recommended product | Why |
|---|
| Standard computer case fan installation with typical mounting holes | Delock M3 x 20 mm Fan Screws Set 20-Piece | Provides the ideal standard size and M3 diameter for most common case fans. |
| Mounting specialized or heavy-duty fans requiring M5 threading | Delock Fan Screws Set M5 x 20 mm 20 pieces | Required specifically for hardware utilizing thicker M5 mounting standards. |
| Installation through thick radiators or clearance gaps (30 mm length) | Delock M3 x 30 mm Fan Screws Set, 20 pieces | Extra length allows secure fastening past obstacles or thick housing frames. |
| Securing fans that utilize an M4 mounting interface | Delock Fan Screws Set M4 x 20 mm 20 pieces 42463 | Suited for enclosures and fans designed for M4 screw specifications. |
| Deep mounting or complex multi-layer cooling setups (40 mm length) | Delock M3 x 40 mm Fan Screws Set 20 pieces | Offers the maximum M3 length for difficult custom clearance requirements. |
| Mounting through thick liquid cooling radiators with M4 threads (35 mm) | Delock M4 x 35 mm Fan Screws Set 20-Piece | Combines extended length with an M4 diameter for robust clearance fastening. |
The Delock M3 x 20 mm Fan Screws Set 20-Piece differs from the alternatives by offering a standard M3 thread and a 20 mm length, making it ideal for routine computer case fan installations. A buyer should prefer this product when their fans feature standard M3 mounting holes and do not require extended lengths or different thread diameters to clear radiators or thick chassis walls.
