UNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 Colors
UNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 Colors
UNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 Colors
UNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 Colors
UNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 Colors
UNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 Colors
UNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 Colors
UNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 Colors
UNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 Colors
UNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 Colors
UNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 Colors
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UNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 ColorsUNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 ColorsUNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 ColorsUNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 ColorsUNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 ColorsUNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 ColorsUNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 ColorsUNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 ColorsUNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 ColorsUNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 ColorsUNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 Colors

UNC #6-32 Aluminium Anodised Knurled Thumb Screws — 12mm & 16mm, 10 Colors

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In stock (500 units), ready to be shipped

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Description

 

UNC #6-32 Knurled Thumb Screws — Tool-Free Panel Fastening in Aluminium Anodised Finish

If you've ever stripped a Phillips head trying to swap a PC side panel, or fumbled for a screwdriver every time you need to access an electronics enclosure, you know the frustration. These UNC #6-32 knurled thumb screws are built for makers, modders, and DIY builders who need fast, repeatable, tool-free access to their builds.

Each screw is machined from aluminium with a fully anodised finish and features a knurled knob head for a secure hand grip. Available in two lengths — 12mm (≈1/2") and 16mm (≈5/8") — and in 10 anodised colors including Black, Silver, Royal Blue, Golden, Green, Purple, Orange, Sky Blue, Deep Red, and Peach Red. Sold individually or in packs of 5 or 10 pieces.

Typical use cases include PC case panel retention with UNC #6-32 threaded standoffs, electronics enclosure access covers for frequent maintenance, hobby and RC chassis assembly where tool-free adjustments are needed, and custom rack-mount or DIY instrument panel builds.

🔩 Thread Compatibility: UNC #6-32 — fits standard #6-32 threaded inserts, standoffs, and nuts commonly used in US PC cases, electronics enclosures, and hobby hardware.

✅ Key Features of These UNC #6-32 Knurled Thumb Screws

  • ✋Knurled Grip Head — The textured knob profile provides a firm hand grip for tool-free tightening and loosening, even in tight enclosure spaces.
  • 🎨10 Anodised Color Options — Choose from Black, Silver, Golden, Royal Blue, Sky Blue, Green, Purple, Orange, Deep Red, or Peach Red to match or accent your build's color scheme.
  • ⚖️Lightweight Aluminium Construction — Aluminium keeps weight minimal compared to steel fasteners — a practical advantage in weight-sensitive electronics and hobby builds.
  • 🛡️Anodised Corrosion Resistance — The anodised surface layer integrates into the aluminium for durability that outlasts painted finishes under normal indoor use conditions.
  • 📐Two Length Options — The 12mm (≈1/2") and 16mm (≈5/8") lengths cover the most common panel thicknesses found in PC cases, enclosures, and DIY chassis builds.
  • 📦Flexible Pack Sizes — Available in 1, 5, or 10-piece packs so you can order exactly what your project needs without overstocking or running short.

📐 Technical Specifications — UNC #6-32 Aluminium Knurled Thumb Screws

Thread Standard UNC (Unified National Coarse) #6-32
Thread Diameter #6 (nominally 0.138" / 3.51mm)
Threads Per Inch 32 TPI
Available Lengths 12mm (≈1/2") / 16mm (≈5/8")
Head Style Knurled knob (hand-grip thumb screw)
Drive Style Hand-tightened (no tool required)
Material Aluminium alloy
Finish Anodised (color-integrated surface treatment)
Available Colors Black, Silver, Golden, Royal Blue, Sky Blue, Green, Purple, Orange, Deep Red, Peach Red
Pack Sizes 1 piece / 5 pieces / 10 pieces
Head Diameter See variant options
Head Height See variant options
Compatible Standards UNC #6-32 threaded inserts, standoffs, and nuts
⚠️ Heads up: Head diameter and height dimensions are not listed on this page. If your application has tight clearance requirements, contact us to confirm before ordering.

❓ Frequently Asked Questions

How do I choose between the 12mm and 16mm length?

Measure the total grip depth — the thickness of all panels or materials the screw must pass through. The 12mm (≈1/2") length is generally suited for thinner assemblies such as single PCB panels or lightweight enclosures, while the 16mm (≈5/8") length works well when stacking two or more layers. As a rule of thumb, choose a length that leaves at least 2–3 threads engaged beyond the last layer.

What thread standard do these thumb screws use?

These screws use the UNC (Unified National Coarse) #6-32 thread standard — meaning a #6 diameter with 32 threads per inch. This is one of the most common thread sizes in US electronics enclosures, PC cases, and hobby hardware, so they are generally compatible with standard #6-32 threaded inserts, standoffs, and nuts.

How strong are these thumb screws? Can they hold panels securely?

Aluminium thumb screws are typically suited for light-duty panel retention and access covers rather than structural load-bearing applications. They are designed for frequent hand-tightening and loosening cycles. For applications requiring higher clamping force, consider pairing with a nylon-insert lock nut or a spring washer to prevent loosening from vibration.

Are these thumb screws suitable for outdoor or humid environments?

The anodised aluminium finish provides a layer of corrosion resistance that is generally adequate for indoor and light-exposure environments. For prolonged outdoor use or high-humidity conditions, additional protective measures are recommended. Anodising does not provide the same level of protection as stainless steel in harsh marine or chemical environments.

Will the anodised color chip or fade over time?

Anodised finishes are integrated into the aluminium surface rather than applied as a coating, so they are generally more durable than paint. Under normal indoor use, the color typically holds well. Abrasive contact or harsh chemicals can wear the finish over time, so avoid using abrasive cleaners on the screw head.

Can I use these in a PC case or electronics enclosure?

Yes — UNC #6-32 is the standard thread used in most ATX PC cases, server enclosures, and electronics chassis in the US market. These knurled thumb screws are a popular tool-free replacement for standard Phillips head screws on side panels, drive cages, and expansion slot covers.

How many pieces do I need to order?

This listing is available in packs of 1, 5, or 10 pieces. For most panel or enclosure projects, a pack of 4–6 screws is typically sufficient. The 5-pack or 10-pack options offer better value per piece for larger builds or when you want spares on hand.

🛒 Select your color, size, and pack quantity above, then add to cart — ships from our US warehouse.

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