🔩 Product Overview: UNC 1/4" & 3/8" Thumb Screws – Single / Double Wing Hand Grip Bolts
Need toolless fasteners that are easy to grip and come in bold colors? These UNC thumb screws feature a lightweight aluminum alloy handle (single or double wing) combined with a stainless steel threaded rod. The wings give you excellent leverage for hand tightening and loosening – no screwdriver required. Available in UNC 1/4" and UNC 3/8" thread sizes, with thread lengths of 10mm, 14mm, 17mm, and 25mm. Choose from Blue, Red, or Black anodized handles. Perfect for computer laptop case screws, rack mount equipment, machine access panels, photography rigs, and any application where you want quick, tool‑less access.
✨ Why These Wing Thumb Screws Are a Handy Addition to Your Kit
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Single or double wing design – Provides excellent finger grip and leverage. Easy to tighten and loosen by hand, even in tight spaces.
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Aluminum alloy handle + stainless steel thread – Lightweight, corrosion‑resistant handle combined with a strong, rust‑proof stainless steel threaded rod.
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UNC 1/4" and UNC 3/8" threads – Common imperial sizes for computer cases, rack equipment, industrial machinery, and many accessories.
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Thread lengths: 10mm, 14mm, 17mm, 25mm – Choose the right length for your panel thickness or assembly requirements.
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Vibrant anodized colors – Blue, Red, Black – Adds a custom look to your PC build, machinery, or project. Anodized finish resists wear and corrosion.
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Toolless operation – No screwdriver or wrench needed. Perfect for frequent access panels, laptop repairs, and DIY modifications.
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Wide applications – Computer laptop screws, rack mount equipment, machine guards, photography accessories, 3D printers, and general hardware.
📏 Technical Specifications – UNC Wing Thumb Screws
| Specification |
Details |
| Product Type |
Single / Double Wing Thumb Screws (Hand Grip Bolts) |
| Handle Material |
Aluminum alloy (anodized) |
| Thread Material |
Stainless steel |
| Thread Sizes (UNC) |
1/4"-20 UNC, 3/8"-16 UNC |
| Thread Lengths |
10mm, 14mm, 17mm, 25mm (select from options) |
Handle Colors |
Blue, Red, Black (anodized)
|
| Head Style Options |
Single wing or Double wing (select when ordering) |
| Standard |
GB |
| Application |
Computer laptop screws, rack equipment, machine access panels, photography rigs, DIY projects |
📦 Available Configurations (Select from Options)
| Thread Size |
Wing Type |
Thread Length (mm) |
Handle Color |
| 1/4"-20 UNC |
Single Wing |
10, 14, 17, 25 |
Blue / Red / Black |
| 10, 14, 17, 25 |
Blue / Red / Black |
| Double Wing |
10, 14, 17, 25 |
Blue / Red / Black |
| 10, 14, 17, 25 |
Blue / Red / Black |
| 3/8"-16 UNC |
Single Wing |
10, 14, 17, 25 |
Blue / Red / Black |
| 10, 14, 17, 25 |
Blue / Red / Black |
| Double Wing |
10, 14, 17, 25 |
Blue / Red / Black |
| 10, 14, 17, 25 |
Blue / Red / Black |
Note: Thread length is measured from the underside of the wing head to the tip (the stainless steel threaded portion). The wing head itself is not included in the length measurement.
❓ FAQs – UNC Wing Thumb Screws
🔸 What is the difference between single wing and double wing?
Single wing (also called L‑shaped) has one protruding wing – great for tight spaces where you need to spin the screw quickly. Double wing (butterfly / T‑shaped) has two opposing wings – provides better grip and more torque for loosening and tightening. Choose based on your clearance and grip preference.
🔸 Will these screws fit standard computer laptop cases?
Many laptop and PC cases use UNC 1/4"-20 or UNC 3/8"-16 threads for thumbscrews on access panels, drive bays, and external connections. However, always check your existing screw thread size. These are imperial (UNC) threads – not metric. If your laptop uses metric screws (e.g., M3, M2.5), these will not fit.
🔸 How is thread length measured? Is the wing included?
Thread length is measured from the underside of the wing head (where the stainless steel rod begins) to the tip of the thread. The wing head itself is not included in the length. For example, a 1/4" x 14mm screw has a 14mm long threaded shank.
🔸 Will the anodized color fade or wear off?
Anodizing is a durable electrochemical finish that bonds with the aluminum. It will not peel like paint. Under normal hand use, the color will remain vibrant for years. Heavy abrasion or constant contact with hard tools may wear the finish, but typical finger tightening will not cause significant wear.
🔸 Can I use these screws outdoors or in wet environments?
The stainless steel threaded rod is highly corrosion‑resistant and suitable for outdoor use. The anodized aluminum handle also resists corrosion well. For continuous saltwater exposure, additional protection may be needed, but for general outdoor machinery and equipment, these are a good choice.
🔸 Do you offer other thread lengths or colors not listed?
We offer the thread lengths shown (10, 14, 17, 25mm) in Blue, Red, and Black. If you need a different length or color, please contact us – we support customization for larger orders.
