M2 Knurled Thumb Screws – Aluminum Colored Hand Grip Bolts for PC Case & Electronics

Measure the depth of the threaded hole or the combined thickness of the panels you are fastening. For PC case side panels, 4mm (≈5/32") is typically sufficient. For thicker assemblies or standoff applications, 8mm (≈5/16"), 12mm (≈15/32"), or 15mm (≈19/32") options are available. When in doubt, choose the next size up to ensure full thread engagement — a screw that's slightly long is generally easier to work with than one that's too short.

These thumb screws are made from aluminum alloy with an anodized color finish. Aluminum is lightweight and generally resistant to corrosion in typical indoor environments. The anodizing process adds a layer of surface hardness and helps the color remain stable through repeated handling.

Anodized aluminum generally offers good corrosion resistance for light outdoor or semi-exposed use. However, for prolonged outdoor exposure in harsh, wet, or salt-air environments, stainless steel fasteners are typically recommended. For indoor PC builds and electronics enclosures, these are well-suited. Contact us to confirm suitability for your specific application.

These are M2 metric thread screws. M2 refers to a 2mm nominal thread diameter with a standard metric pitch. They are compatible with M2 metric threaded holes, brass heat-set inserts, and standoffs commonly found in PC cases, electronics enclosures, and small machinery. They are not compatible with imperial (UNC/UNF) threads. If you are unsure of your thread standard, measure the hole diameter or check your enclosure's documentation.

As M2 aluminum thumb screws designed for hand-tightening, these are intended for light-duty fastening applications such as securing PC case panels, electronics covers, and similar assemblies. They are not rated for high-torque or structural load-bearing applications. In most cases, hand-tight is the correct installation torque — over-tightening aluminum M2 screws can strip threads. For exact load specifications, contact us to confirm.

The colors are achieved through anodizing, an electrochemical surface treatment that generally improves corrosion resistance and surface hardness compared to bare aluminum. All 10 color options use the same base material and process, so color choice is primarily aesthetic and does not significantly affect mechanical performance or durability.

For a typical ATX or mid-tower PC case side panel, 3–5 thumb screws is generally sufficient. If you are fastening multiple panels or a tempered glass side panel with additional retention points, the 5 or 10-piece pack offers a practical buffer. The 50-piece pack is well-suited for workshop stock, multiple builds, or small-batch production runs where consistent color-coded fasteners are needed.

Yes — M2 knurled thumb screws are commonly used with M2 brass heat-set inserts in 3D-printed enclosures and project boxes. The hand-tighten design is particularly practical for printed parts where repeated tool use could wear the insert over time. Ensure your insert is rated for M2 and that the screw length matches your wall thickness plus insert depth.