M3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob Bolt
M3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob Bolt
M3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob Bolt
M3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob Bolt
M3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob Bolt
M3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob Bolt
M3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob Bolt
M3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob Bolt
M3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob Bolt
M3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob Bolt
M3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob Bolt
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M3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob BoltM3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob BoltM3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob BoltM3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob BoltM3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob BoltM3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob BoltM3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob BoltM3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob BoltM3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob BoltM3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob BoltM3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob Bolt

M3*5/7/10/12/16mm Aluminium Anodised Knurled Thumb Screws Hand Grip Knob Bolt

HomeDIYer
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By HomeDIYer®

Price:
$7.14 USD
Stock:
In stock (500 units), ready to be shipped

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Description

M3 Aluminium Anodised Knurled Thumb Screws — Tool-Free Fastening for Makers & Builders

When you're deep into a PC build, custom enclosure, or iterative maker project, the last thing you want is to hunt for a screwdriver every time you need panel access. These M3 aluminium anodised knurled thumb screws are designed for DIYers, modders, and small-team builders who open and close their builds regularly and need a reliable, hand-tightened solution that holds firm.

Each screw is machined from aluminium alloy and finished with an anodised coating available in 10 distinct colors — Deep Red, Peach Red, Golden, Royal Blue, Sky Blue, Black, Silver, Green, Purple, and Orange. The M3 thread diameter pairs with five length options: 5mm (~0.20 in), 7mm (~0.28 in), 10mm (~0.39 in), 12mm (~0.47 in), and 16mm (~0.63 in). Available in single-piece or 5-piece packs to suit one-off replacements or full-panel builds.

Typical use cases include PC case side panels and tempered glass retention, aluminium extrusion frame assemblies for 3D printers and CNC enclosures, and quick-access electronics enclosures where tool-free thumb screw fastening reduces maintenance time. The knurled grip pattern provides tactile control even with slightly oily or gloved hands.

🔩 Compatibility: M3 thread standard. Fits standard M3 threaded inserts, standoffs, and tapped holes. Verify panel thickness against selected screw length before ordering.

✅ Key Features of These M3 Knurled Thumb Screws

  • 🔧 Tool-free hand tightening — knurled grip pattern allows firm finger-tightening without a screwdriver, ideal for panels you open frequently.
  • 🎨 10 anodised color options — color-code your fasteners by zone, panel, or build phase; anodised finish resists scratching and fading under normal indoor use.
  • ⚖️ Lightweight aluminium alloy construction — reduces added mass in weight-sensitive builds such as drone frames, portable enclosures, and rack-mount panels.
  • 📏 Five length variants (5–16mm) — covers thin sheet-metal panels through thicker acrylic or aluminium stock; select the length that matches your panel stack-up.
  • 🛡️ Anodised corrosion resistance — the oxide layer provides a barrier against moisture and minor chemical exposure, suitable for indoor workshop and electronics environments.
  • 📦 Flexible pack quantities — order 1pc for a single replacement or 5pcs for a full panel run; mix colors and sizes across orders to build a matched set.

📐 Technical Specifications — M3 Knurled Thumb Screws

Thread Size M3
Thread Pitch 0.5mm (standard M3 coarse)
Available Lengths 5mm / 7mm / 10mm / 12mm / 16mm
Material Aluminium alloy
Surface Finish Anodised (oxide layer)
Available Colors Deep Red, Peach Red, Golden, Royal Blue, Sky Blue, Black, Silver, Green, Purple, Orange
Head Style Knurled thumb / hand-grip knob
Drive Style Hand-tightened (no tool required)
Pack Quantity 1pcs or 5pcs (see variant options)
Head Diameter See variant options
Overall Length See variant options

❓ Frequently Asked Questions

How do I choose the right screw length for my panel?

Measure the total thickness of the material stack the screw must pass through — for example, a 2mm aluminium panel plus a 1mm washer. Select a length that threads fully into the receiving nut or insert without bottoming out. For most single-panel PC case applications, 5mm or 7mm is sufficient. For thicker acrylic or stacked panels, 10–16mm provides more thread engagement.

Are these screws strong enough for structural use?

These thumb screws are designed for panel retention and access covers — applications where hand-tightening torque is appropriate. They are not intended for structural load-bearing joints or high-vibration environments where a torqued hex bolt would be specified. For PC side panels, enclosure lids, and 3D printer covers, the clamping force from hand tightening is sufficient.

Will the anodised finish chip or wear off?

Anodising is an electrochemical process that converts the surface aluminium into aluminium oxide — it is part of the metal, not a coating applied on top. Under normal indoor use (hand-tightening, occasional removal), the finish is durable. Repeated metal-on-metal contact at the thread or aggressive abrasion can wear the anodised layer over time, which is expected behavior for any anodised fastener.

Are these compatible with standard M3 threaded inserts and standoffs?

Yes. These screws use the standard M3 × 0.5mm coarse thread pitch, which is compatible with M3 brass heat-set inserts, M3 nylon standoffs, M3 steel nuts, and any tapped M3 hole. Always verify the thread pitch of your receiving hardware matches M3 × 0.5mm before ordering.

Can I mix colors and sizes in one order?

Yes — each color and size combination is a separate variant, so you can add multiple variants to your cart in a single order. This makes it straightforward to color-code different panel zones or stock a range of lengths for a build.

Is the 5pcs pack the same screw as the 1pcs, just in a larger quantity?

Correct. The 1pcs and 5pcs packs contain identical screws — same thread, same length, same color, same anodised finish. The 5pcs pack is simply a quantity bundle at a lower per-unit cost, useful when you need a matched set for a full panel or want spares on hand.

How do I prevent the screws from loosening over time?

For most panel-retention applications, hand-tightening is sufficient and intentional — these screws are designed to be removed by hand. If you experience loosening due to vibration (e.g., a fan-heavy PC case), a small drop of removable thread-locking compound on the threads will hold the screw in place while still allowing hand removal when needed.

🛒 Select your Color, Size, and Packing Qty above, then add to cart.

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