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When you're deep into a chassis mod or electronics enclosure build, the last thing you want is to hunt for a screwdriver every time you need to open a panel. These M6 flat knurled head thumb screws are designed for makers, modders, and small-workshop builders who need fast, repeatable hand-tightening without sacrificing a secure hold.
Each screw is machined from aluminum alloy and features a flat knurled head for confident finger grip. Thread diameter is M6 (metric), with shaft lengths available in 8 mm (0.31 in), 10 mm (0.39 in), 12 mm (0.47 in), 20 mm (0.79 in), and 25 mm (0.98 in). The open-end, round-head profile keeps a low profile on finished panels. Available in 10 anodized colors — Dark Red, Rose Red, Golden, Royal Blue, Sky Blue, Black, Silver, Green, Purple, and Orange — so you can match or accent your build's color scheme.
Typical use cases include DIY PC chassis side-panel fasteners, electronics enclosure access covers, 3D-printer frame assembly, and RC car body mounts — anywhere you need M6 hand-turn knob bolts that can be removed and reinstalled dozens of times without tool wear.
| Thread Standard | Metric (M6) |
|---|---|
| Thread Diameter | M6 (6 mm / 0.236 in) |
| Thread Pitch | 1.0 mm (standard coarse) |
| Shaft Length Options | 8 mm / 10 mm / 12 mm / 20 mm / 25 mm |
| Head Style | Flat Knurled |
| Head Shape | Round |
| Drive Style | Hand (no tool required) |
| End Type | Open |
| Material | Aluminum Alloy |
| Surface Finish | Anodized (color options) |
| Available Colors | Dark Red, Rose Red, Golden, Royal Blue, Sky Blue, Black, Silver, Green, Purple, Orange |
| Head Diameter | See variant options |
| Head Height | See variant options |
| Pack Quantity | 1 Pcs / 5 Pcs / 10 Pcs |
| System of Measurement | Metric |
Measure the total thickness of the material(s) the screw must pass through, then add 2–4 mm for thread engagement in the nut or threaded insert. For example, a 3 mm panel with a standard M6 nut needs at least 8–10 mm of shaft. If you're clamping two panels together, add both thicknesses plus the nut height.
These thumb screws are designed for panel retention and access-cover applications where hand-tightening torque is sufficient — typically light to moderate clamping loads. They are not intended for high-vibration structural joints that require torque-wrench tightening. For chassis side panels, drive bays, and electronics enclosure lids, they perform reliably.
Anodizing creates an oxide layer on the aluminum surface that resists light corrosion and surface scratching in typical indoor environments. These screws are suitable for dry, indoor use such as PC builds and electronics enclosures. Extended exposure to moisture, salt spray, or harsh chemicals is not recommended.
These use the standard M6 × 1.0 mm coarse pitch, which is the most common M6 thread used in DIY hardware, PC cases, and electronics enclosures worldwide. They will fit any standard M6 threaded hole, nut, or insert with a 1.0 mm pitch. If your application uses M6 fine pitch (0.75 mm), these will not be compatible.
Yes. Because these are hand-tightened, the torque applied is naturally limited, which reduces the risk of cracking brittle materials like acrylic. We recommend using a brass or nylon M6 insert in the plastic panel rather than threading directly into the plastic, to ensure long-term thread integrity.
Order 1 Pcs to test fit and color before committing. Order 5 Pcs for a typical side-panel or small enclosure (most cases use 4–6 thumb screws per panel). Order 10 Pcs for full builds, multi-panel setups, or to keep spares on hand. Buying in larger quantities reduces the per-unit cost significantly.
Anodized colors can vary slightly depending on your monitor's color calibration. The color names (e.g., Royal Blue vs. Sky Blue) reflect distinct hue families — Royal Blue is a deeper, darker blue while Sky Blue is lighter and brighter. If color matching is critical, ordering a single piece first is the safest approach.
