Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
When you need to secure panels, covers, or enclosures without reaching for a wrench, a reliable hand-tighten screw makes all the difference. Makers, workshop builders, and electronics hobbyists who frequently open and close equipment housings know the frustration of stripped hex sockets and lost tools — these M6 x20mm knurled thumb screws are designed to eliminate that problem entirely.
Each screw is machined from aluminium alloy with a knurled round grip knob head that provides a firm, comfortable grip even with bare hands. The thread diameter is M6 (6mm / 0.24") and the shank length is 20mm (0.79"), with a metric thread pitch of typically 1.0mm. Available in 10 anodized colors — Wine Red, Rose Red, Golden, Royal Blue, Sky Blue, Black, Silver, Green, Purple, and Orange — so you can color-code assemblies or match your build aesthetic.
Typical use cases include securing 3D printer access panels with thumb screws for quick bed maintenance, fastening aluminium extrusion enclosure lids in CNC router builds, and hand-tightening rack-mount equipment covers in audio or server cabinets where tool-free access is essential.
| Thread Standard | Metric (M6) |
|---|---|
| Thread Diameter | M6 (6mm / 0.24") |
| Shank Length | 20mm (0.79") |
| Thread Pitch | Typically 1.0mm (standard M6 coarse) |
| Head Style | Round Knurled Grip Knob |
| Drive Style | Hand-tighten (knurled grip) / Hex-Key compatible |
| Material | Aluminium Alloy |
| Surface Finish | Anodized (color options) |
| Available Colors | Wine Red, Rose Red, Golden, Royal Blue, Sky Blue, Black, Silver, Green, Purple, Orange |
| Head Diameter | See variant options |
| Head Height | See variant options |
| Grade | Grade 2 Aluminium |
| Pack Quantity | 1 / 3 / 5 / 8 / 10 / 15 Pcs (select above) |
These are M6 metric coarse thread screws with a standard pitch of 1.0mm. They fit any M6 threaded hole, insert, T-nut, or standoff that follows the ISO metric standard — the most common M6 specification used in maker builds, aluminium extrusions, and electronics enclosures.
Yes — the wide knurled round grip knob is specifically designed for comfortable hand-tightening. The knurled texture provides enough grip to apply adequate torque for securing lightweight panels and covers. For applications requiring higher clamping force, a hex key can also be used on the socket if present.
Aluminium alloy thumb screws are well-suited for light-to-medium duty fastening tasks such as securing enclosure lids, access panels, 3D printer covers, and rack-mount faceplates. They are not recommended for high-vibration structural joints or applications requiring the tensile strength of steel fasteners. If your application involves significant mechanical load, consider stainless steel alternatives.
Anodizing is an electrochemical surface treatment that integrates into the aluminium rather than sitting on top like paint, so it resists chipping and peeling under normal use. Color may gradually fade with prolonged UV exposure or harsh chemical contact, but for typical indoor workshop and electronics enclosure use, the finish holds up well over repeated installation and removal cycles.
Yes — M6 is one of the most common thread sizes used with 2020, 3030, and 4040 aluminium extrusion profiles. When paired with an M6 T-nut or drop-in nut, these thumb screws allow tool-free panel attachment and quick repositioning on extrusion frames used in CNC routers, 3D printer enclosures, and modular workbenches.
Use the color selector to match your build aesthetic or to color-code different access points (e.g., red for power-related panels, blue for data ports). For quantity, count the number of fastening points in your assembly and add a small buffer — the 10 or 15-piece packs offer the best per-unit value for larger builds, while the 1 or 3-piece packs are ideal for prototyping or single-panel replacements.
Yes — standard M6 hex nuts, nylon lock nuts, and flange nuts all mate correctly with these M6 × 20mm thumb screws. This makes them easy to use in through-hole applications where a nut is needed on the back side of a panel.
