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When you need to make quick adjustments without reaching for a screwdriver, standard bolts slow you down. Whether you're a maker assembling electronics enclosures, a technician securing panel covers, or a DIYer building jigs and fixtures, you need a fastener you can tighten and release by hand — reliably, every time.
These M6 x 12.5 mm knurled thumb screws are machined from aluminum alloy with a flat, closed-end head and a knurled round grip surface. The M6 metric thread diameter pairs with a 12.5 mm shank length (approximately 0.49 in), making them a compact yet secure choice for thin-panel and light-duty fastening applications. Available in quantities from 1 to 20 pieces to match your project scale.
Typical use cases include securing access panels on electronic enclosures, hand-tightening jig components on woodworking benches, and fastening lightweight fixtures in photography rigs or display stands — anywhere you need repeatable tool-free thumb screw fastening with an M6 metric thread.
The round knurled head provides a firm, slip-resistant grip for confident hand tightening and loosening without tools — ideal for frequent adjustments.
Machined from aluminum alloy, these thumb screws add minimal weight to your assembly — a practical advantage in weight-sensitive builds like electronics and camera rigs.
M6 thread diameter with a 12.5 mm (≈ 0.49 in) shank length and standard 1.0 mm pitch ensures compatibility with widely used metric hardware and tapped holes.
The flat, closed-end head style provides a clean finished appearance and prevents debris ingress at the tip — suitable for both functional and visible fastening points.
Available in 1, 2, 5, 10, or 20-piece packs so you can order exactly what your project requires — from a single replacement to a full workshop stock-up.
Designed for repeated installation and removal by hand, these thumb screws hold their thread integrity across multiple cycles — reducing downtime during maintenance or reconfiguration.
| Type | Knurled Thumb Screw |
|---|---|
| Material | Aluminum Alloy |
| Thread Size | M6 |
| Thread Pitch | 1.0 mm (standard metric) |
| Shank Length | 12.5 mm (≈ 0.49 in) |
| Head Style | Flat |
| End Type | Closed |
| Head Shape | Round (Knurled) |
| System of Measurement | Metric |
| Finish | See variant options |
| Head Diameter | See variant options |
| Available Quantities | 1 / 2 / 5 / 10 / 20 PCS |
These thumb screws use an M6 metric thread with a standard 1.0 mm pitch. They will fit any M6-tapped hole with 1.0 mm pitch — one of the most common metric thread specifications in electronics, machinery, and DIY hardware.
The shank length is 12.5 mm (approximately 0.49 inches). Make sure your tapped hole or nut has a thread engagement depth of at least 12.5 mm for a secure hold. For thinner panels, a nut on the back side is recommended.
These aluminum alloy thumb screws are designed for light-duty, hand-tightened applications such as panel covers, electronics enclosures, jigs, and fixtures. They are not intended for high-torque, structural, or vibration-heavy load-bearing use. For heavy-duty applications, consider stainless steel thumb screws.
Aluminum alloy naturally forms a thin oxide layer that provides good resistance to everyday corrosion and moisture. These thumb screws are suitable for indoor use and light outdoor exposure. For harsh or marine environments, stainless steel variants would offer greater long-term corrosion resistance.
Yes. With a standard M6 x 1.0 mm thread, these thumb screws are compatible with any M6 hex nut, flange nut, threaded insert, or tapped hole using the same pitch. Always confirm the thread pitch of your mating hardware before ordering.
Select based on how many fastening points your project requires. A 1 or 2-piece pack suits single replacements or testing. A 5 or 10-piece pack covers most panel or enclosure builds. The 20-piece pack is ideal for workshop stock or batch production runs where you need consistent hand-tighten fasteners across multiple assemblies.
These are designed primarily for hand tightening. While the flat head profile does not accommodate a standard screwdriver slot, the knurled grip allows firm finger torque. Applying excessive tool force is not recommended as it may damage the aluminum threads or head.
