UNC 6#-32 Aluminum Anodized Knurled Thumb Screws — D8×6 Hand Knob Bolts, 16mm & 20mm

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UNC 6#-32 Aluminum Anodized Knurled Thumb Screws — D8×6 Hand Knob Bolts, 16mm & 20mm

Name: UNC 6#-32 Aluminum Anodized Knurled Thumb Screws — D8×6 Hand Knob Bolts, 16mm & 20mm
Brand: HomeDIYer
Price: 7.52 USD
Availability: InStock

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Color:: Deep red

Size[(D*T) M*L]:: 【D8×6】UNC6#-32*16mm

Packing Qty:: 1pcs

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$7.52 USD

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UNC 6#-32 Knurled Thumb Screws — Tool-Free Fastening for Enclosures, Jigs & DIY Builds

If you have ever reached for a screwdriver just to open an access panel or adjust a workshop jig, you know how quickly that friction adds up. Makers, electronics hobbyists, and light-fabrication shops rely on knurled thumb screws to keep frequently accessed assemblies quick to open and close — no tools, no fumbling, no stripped heads.

Each screw features a D8×6 knurled aluminum head (8mm diameter, 6mm height) with a UNC 6#-32 threaded shank available in two lengths: 16mm (≈5/8") and 20mm (≈13/16"). The body is machined from aluminum and finished with a durable anodized coating available in 10 colors — Deep Red, Peach Red, Golden, Royal Blue, Sky Blue, Black, Silver, Green, Purple, and Orange. Sold in packs of 1, 5, or 10 pieces per color and length combination.

Typical use cases include securing electronics enclosure lids and rack panels, clamping jig fixtures and woodworking fences for quick repositioning, and adding color-coded fasteners to 3D-printed or CNC-machined assemblies where hand-tightened knurled thumb screws keep workflows moving without reaching for a driver.

🔩 Thread Compatibility: UNC 6#-32 — fits standard American UNC 6#-32 nuts, threaded inserts, and tapped holes. Verify your mating thread before ordering.

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

✋Tool-Free Hand Tightening — The D8×6 knurled head gives your fingers enough grip to drive and remove the screw without any driver, making it ideal for frequently accessed panels and adjustable jig fixtures.
🎨10 Anodized Color Options — Color-code fasteners by function, match your enclosure finish, or simply add a clean visual accent. All colors share identical dimensions and thread specs.
⚖️Lightweight Aluminum Construction — Aluminum keeps weight low compared to steel fasteners, making these knurled thumb screws a practical choice for portable enclosures and weight-sensitive builds.
🛡️Anodized Corrosion Resistance — The anodized finish seals the aluminum surface, providing resistance to light moisture, oxidation, and everyday handling wear in workshop and indoor environments.
📐Two Length Options for Different Stack Depths — Choose 16mm (≈5/8") for thinner panel assemblies or 20mm (≈13/16") for deeper material stacks, so you get the right thread engagement without bottoming out.
📦Flexible Pack Sizes — Order 1, 5, or 10 pieces per variant to match your project scale — from a single replacement fastener to stocking your workshop with hand-tightened knob bolts in multiple colors.

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

Thread Standard	UNC (Unified National Coarse) 6#-32
Head Type	Knurled thumb knob (cylindrical, hand-grip)
Head Diameter (D)	8mm (≈5/16")
Head Height (T)	6mm (≈1/4")
Shank Length Options	16mm (≈5/8") / 20mm (≈13/16")
Material	Aluminum alloy
Surface Finish	Anodized (color options: Deep Red, Peach Red, Golden, Royal Blue, Sky Blue, Black, Silver, Green, Purple, Orange)
Drive Method	Hand-tightened (no tool required)
Compatible Mating Thread	UNC 6#-32 nut, insert, or tapped hole
Pack Sizes Available	1 pc / 5 pcs / 10 pcs
Tensile / Load Rating	See variant options — designed for hand-tightened, non-structural applications
Country of Origin	Contact us to confirm

⚠️ Heads up: These are hand-tightened fasteners intended for light-duty panel and fixture applications. They are not rated for structural or high-torque joints. If you need torque specs for your application, please contact us to confirm suitability.

❓ Frequently Asked Questions

How do I choose between the 16mm and 20mm length?

Measure the total grip depth — the thickness of all panels or materials the screw must pass through. The 16mm (≈5/8") option is generally suited for thinner assemblies up to about 10mm, while the 20mm (≈13/16") works for slightly deeper stacks. When in doubt, choose the longer option and use a washer to take up slack.

What is the clamping or holding strength of these thumb screws?

These thumb screws are designed for hand-tightened, tool-free applications. They typically provide sufficient clamping force for lightweight panels, enclosures, and jig fixtures. They are not intended for high-torque or structural load-bearing joints. For heavy-duty applications, a threaded insert and machine bolt are generally recommended.

Are these thumb screws suitable for outdoor or humid environments?

The anodized aluminum finish provides a layer of corrosion resistance that generally performs well in light outdoor or humid conditions. However, anodized aluminum is not fully waterproof. For prolonged outdoor exposure or salt-spray environments, consider applying a protective coating or choosing stainless steel fasteners instead.

What thread standard do these use, and what nuts or inserts are compatible?

These use UNC (Unified National Coarse) 6#-32 threading, which is a standard American thread. They are compatible with any UNC 6#-32 nut, threaded insert, or tapped hole. This thread is widely used in electronics enclosures, PC cases, and light machinery in the US.

How do I pick the right color for my project?

The anodized color is purely aesthetic and does not affect performance. Choose a color that matches your enclosure, panel, or equipment for a clean, finished look. All 10 color options share the same dimensions and thread specification.

Can I use these without any tools?

Yes — that is the primary purpose of a knurled thumb screw. The D8×6 knurled head provides enough grip surface to tighten and loosen by hand in most applications. No driver or wrench is needed for typical panel-mounting use.

What pack size should I order?

The 1-piece option is ideal for sampling a color or replacing a single lost fastener. The 5-piece pack suits most small enclosure or jig builds. The 10-piece pack offers the best per-unit value for workshop stock or larger projects.

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

UNC 6#-32 Aluminum Anodized Knurled Thumb Screws — D8×6 Hand Knob Bolts, 16mm & 20mm

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Beschreibung

UNC 6#-32 Knurled Thumb Screws — Tool-Free Fastening for Enclosures, Jigs & DIY Builds

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

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

❓ Frequently Asked Questions

UNC 6#-32 Aluminum Anodized Knurled Thumb Screws — D8×6 Hand Knob Bolts, 16mm & 20mm

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