1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer
1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer
1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer
1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer
1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer
1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer
1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer
1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer
1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer
1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer
1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer
1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer
1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer
1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer
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1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer1/4 - 20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch - HomeDIYer

1/4-20 Knurled Thumb Screws Aluminum, 10 Colors, 3/8 to 5/8 Inch

HomeDIYer
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By HomeDIYer®

Price:
$7.18 USD
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In stock (500 units), ready to be shipped

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Description

 

1/4-20 Knurled Thumb Screws — Hand-Tighten Without Tools, in 10 Colors

If you've ever fumbled for a screwdriver just to swap a panel or access a PC case, you know the frustration. These 1/4-20 aluminum knurled thumb screws are built for makers, modders, and DIYers who want fast, tool-free access without sacrificing a clean, finished look. Whether you're building a custom PC, assembling an electronics enclosure, or working on a DIY project that needs frequent access, these hand-grip bolts let you open and close panels in seconds.

Each screw features a 1/4-20 UNC thread and is available in three lengths — 3/8" (10mm), 1/2" (12.7mm), and 5/8" (16mm) — to fit a range of panel thicknesses and thread depths. The knurled aluminum head provides a firm grip even with dry hands, and the anodized finish is available in 10 colors including Black, Silver, Golden, Royal Blue, Sky Blue, Green, Purple, Orange, Wine Red, and Rose Red. Sold individually or in packs of 3, 5, 10, 15, 20, 30, or 50 pieces.

Common use cases include PC case panel fasteners, server rack thumb screws, electronics enclosure hardware, camera rig accessories, and general-purpose hand-tighten fasteners for DIY builds and prototyping rigs.

🔩 Thread Compatibility: 1/4-20 UNC — fits standard PC cases, electronics enclosures, and most US-standard threaded inserts. Confirm thread depth before ordering.

✅ Key Features of These 1/4-20 Knurled Thumb Screws

  • ✋Tool-Free Installation — The wide knurled head gives you enough grip to hand-tighten securely, making panel swaps fast and hassle-free on PC builds and enclosures.
  • 🎨10 Anodized Color Options — Match your build's color scheme with Black, Silver, Golden, Royal Blue, Sky Blue, Green, Purple, Orange, Wine Red, or Rose Red — all on the same 1/4-20 knurled thumb screw.
  • ⚖️Lightweight Aluminum Construction — Aluminum alloy keeps weight low without sacrificing the rigidity needed for panel fastening in PC cases and DIY enclosures.
  • 📐Three Length Options — Choose 3/8" (10mm), 1/2" (12.7mm), or 5/8" (16mm) to match your panel thickness and thread engagement depth.
  • 📦Flexible Pack Sizes — Order as few as 1 or as many as 50 pieces per color and size combination, so you only buy what your project actually needs.
  • 🔄Reusable Fastener Design — The knurled head resists stripping under normal hand-tightening, making these thumb screws suitable for repeated removal and reinstallation in modular builds.

📐 Technical Specifications — 1/4-20 Aluminum Knurled Thumb Screws

Thread Size 1/4-20 UNC
Available Lengths 3/8" (10mm) / 1/2" (12.7mm) / 5/8" (16mm)
Material Aluminum Alloy
Finish Anodized (color options)
Available Colors Black, Silver, Golden, Royal Blue, Sky Blue, Green, Purple, Orange, Wine Red, Rose Red
Head Style Flat Knurled (hand-grip)
Drive Type Hand-tighten (no tool required)
Pack Sizes 1 / 3 / 5 / 10 / 15 / 20 / 30 / 50 PCS
Recommended Use PC cases, electronics enclosures, DIY builds, prototyping rigs
Country of Origin See variant options
⚠️ Sizing Note: Confirm your panel thickness and thread hole depth before selecting a length. If your threaded hole is shallow, a shorter screw (3/8") is generally the safer choice to avoid bottoming out.

❓ Frequently Asked Questions

How do I choose the right length for my 1/4-20 thumb screw?

Measure the thickness of the material you are fastening, then add the depth of the threaded hole. For example, a panel that is 1/4" thick with a 1/4" threaded insert typically works well with a 1/2" (12.7mm) thumb screw. Available lengths are 3/8" (10mm), 1/2" (12.7mm), and 5/8" (16mm). When in doubt, the shorter length is generally safer to avoid bottoming out in a blind threaded hole.

What material are these thumb screws made from?

These thumb screws are made from aluminum alloy, which is lightweight and generally resistant to corrosion in typical indoor environments. The anodized color finish adds a layer of surface protection and gives each screw its color.

Can these thumb screws be used outdoors or in humid environments?

Aluminum is generally corrosion-resistant in mild outdoor conditions. However, for prolonged exposure to moisture, salt air, or harsh environments, a stainless steel fastener is typically recommended. These are best suited for indoor or sheltered applications such as PC builds, electronics enclosures, and DIY rigs.

What thread standard do these use — UNC or metric?

These use the 1/4-20 UNC (Unified National Coarse) thread standard, which is one of the most common thread sizes in the US for PC cases, electronics enclosures, and general DIY hardware. They are not metric and will not fit M6 or other metric threaded holes.

Are these compatible with standard PC case thumb screw holes?

Yes. Most PC cases and server enclosures use 1/4-20 UNC threaded holes for panel fasteners, making these thumb screws a direct fit in most builds. Always verify your case's thread spec if you are unsure — some budget cases use metric threads.

How much clamping force or torque can these handle?

Aluminum thumb screws are designed for hand-tightening applications where moderate clamping force is sufficient. They are not intended for high-torque structural connections. For applications requiring significant load-bearing strength, a steel fastener is generally recommended. In most PC case and enclosure applications, hand-tight is all that is needed.

Will the color wear off over time?

The colors are achieved through an anodizing or surface treatment process applied to the aluminum. This finish is generally durable for normal handling and repeated installation cycles. Heavy abrasive contact or use of tools may cause surface wear over time. For best results, hand-tighten only.

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

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