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Standard hex bolts require a tool to tighten and loosen — a real inconvenience when you’re frequently opening a PC case, adjusting a motorcycle panel, or swapping components in a DIY build. These knurled aluminum thumb screws let you hand-tighten and loosen quickly without any tools, while adding a clean, color-matched finish to your project.
Machined from high-strength, heat-treatable aluminum alloy with an anodized surface finish, each screw features a round knurled head for a secure finger grip and a precision-machined M5 or M6 threaded shank. Available in 10 anodized colors — Dark Red, Rose Red, Golden, Royal Blue, Sky Blue, Silver, Black, Green, Purple, and Orange — and thread lengths from 10mm to 20mm (not including head length). Tolerance: ±0.3mm.
These knurled thumb screw knob bolts are widely used in PC computer cases, side panels, hard drives, optical drives, graphics cards, network cards, sound cards, electric toys, motorcycles, locomotives, fishing gear, furniture, and general DIY modification projects where tool-free hand adjustment is needed.
Replace standard hex screws on PC case side panels, hard drive bays, optical drives, graphics cards, network cards, and sound cards with color-coded knurled thumb screws for tool-free access and a custom look.
Ideal for any DIY modification, electronics enclosure, or fabrication project where frequent panel removal or component adjustment is needed without carrying tools.
Use on motorcycle panels, locomotive covers, and other vehicle components where quick tool-free access is needed for maintenance or adjustment in the field.
Suitable for electric toys, fishing gear, furniture assembly, and any general DIY project requiring a lightweight, corrosion-resistant, hand-tighten fastener with a clean anodized finish.
| Material | Aluminum Alloy (High Strength, Heat Treatable, Anodized) |
|---|---|
| Head Style | Round Knurled Head (for hand tightening without tools) |
| Thread Sizes | M5, M6 |
| Available Thread Lengths | M5: 10mm, 12mm, 14mm, 16mm | M6: 10mm, 12mm, 14mm, 16mm, 20mm (shank length only, not including head) |
| Available Colors | Dark Red, Rose Red, Golden, Royal Blue, Sky Blue, Silver, Black, Green, Purple, Orange (anodized) |
| Surface Treatment | Anodizing |
| Key Properties | Lightweight, non-magnetic, highly conductive, corrosion resistant, oxidation resistant, good wear resistance |
| Tolerance | ±0.3mm |
These thumb screws are available in M5 and M6 metric thread sizes. M5 is available in 10mm, 12mm, 14mm, and 16mm thread lengths. M6 is available in 10mm, 12mm, 14mm, 16mm, and 20mm thread lengths. Select your color and thread size/length combination from the variant options above.
No. The listed thread length (e.g., 10mm, 12mm) refers to the shank thread length only and does not include the height of the knurled round head. Please measure your application’s thread depth to select the correct length.
Yes. The knurled round head is specifically designed for firm hand-tightening and loosening without tools. The knurling pattern provides a secure finger grip for confident tightening in most PC case, electronics, and DIY applications.
No. These thumb screws are made from aluminum alloy, which is non-magnetic. This makes them suitable for use near sensitive electronics, hard drives, and other components where magnetic fasteners could cause interference.
The anodized finish is integrated into the surface of the aluminum rather than applied as a paint or coating, making it generally more resistant to fading and chipping than painted alternatives under normal indoor use conditions.
These thumb screws are commonly used in PC computer cases (side panels, hard drives, optical drives, graphics cards, network cards, sound cards), electric toys, motorcycles, locomotives, fishing gear, furniture, and general DIY modification projects where tool-free hand adjustment is needed.
Yes. All 10 anodized colors — Dark Red, Rose Red, Golden, Royal Blue, Sky Blue, Silver, Black, Green, Purple, and Orange — are available across both M5 and M6 thread sizes and all listed lengths. Select your preferred color and size combination from the variant dropdowns above.
