High Type Knurled Thumb Screws M6 x 5-100mm Aluminium Alloy Hand Grip Knob Bolts
High Type Knurled Thumb Screws M6 x 5-100mm Aluminium Alloy Hand Grip Knob Bolts
High Type Knurled Thumb Screws M6 x 5-100mm Aluminium Alloy Hand Grip Knob Bolts
High Type Knurled Thumb Screws M6 x 5-100mm Aluminium Alloy Hand Grip Knob Bolts
High Type Knurled Thumb Screws M6 x 5-100mm Aluminium Alloy Hand Grip Knob Bolts
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High Type Knurled Thumb Screws M6 x 5-100mm Aluminium Alloy Hand Grip Knob BoltsHigh Type Knurled Thumb Screws M6 x 5-100mm Aluminium Alloy Hand Grip Knob BoltsHigh Type Knurled Thumb Screws M6 x 5-100mm Aluminium Alloy Hand Grip Knob BoltsHigh Type Knurled Thumb Screws M6 x 5-100mm Aluminium Alloy Hand Grip Knob BoltsHigh Type Knurled Thumb Screws M6 x 5-100mm Aluminium Alloy Hand Grip Knob Bolts

High Type Knurled Thumb Screws M6 x 5-100mm Aluminium Alloy Hand Grip Knob Bolts

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Beschreibung

M6 Knurled Thumb Screws — Aluminium Alloy Hand-Grip Bolts for Tool-Free Fastening

When you need to open, adjust, or reassemble a panel, enclosure, or jig repeatedly, reaching for a screwdriver every time slows you down. Makers, machine builders, and workshop owners who rely on quick-access covers or adjustable fixtures need a fastener they can tighten and release by hand — without sacrificing holding strength.

These M6 knurled thumb screws are machined from aluminium alloy with a high-profile knurled head that gives your fingers real purchase. The threaded shank follows the M6 standard (1.0 mm pitch) and is available in lengths from 6 mm to 100 mm (approximately 0.24 in to 3.94 in), covering a wide range of panel thicknesses and stack-up depths. Five anodised colour options — Dark Red, Sky Blue, Golden, Silver, and Black — let you colour-code assemblies or match an aesthetic.

Typical applications include 3D printer enclosure panels, CNC machine guards, electronics project boxes, optical bench fixtures, and workshop jigs where frequent hand-adjustment is needed. The M6 thread also makes these knurled thumb bolts a direct replacement for standard hex bolts in any M6-tapped hole where tool-free access is desired.

🔩 Thread Compatibility: M6 × 1.0 mm pitch — fits any standard M6-tapped hole or M6 nut. Verify panel thickness against selected screw length before ordering.

✅ Key Features of These M6 Knurled Thumb Screws

  • ✋ High-Profile Knurled Head — Tall, deeply knurled head provides a secure finger grip for confident hand-tightening without tools.
  • ⚙️ Aluminium Alloy Construction — Lightweight yet rigid alloy body reduces assembly weight compared to steel equivalents while maintaining adequate clamping force for panel and fixture applications.
  • 📏 Wide Length Range: 6–100 mm — 23 shank lengths (M6 × 6 mm through M6 × 100 mm) accommodate thin sheet panels up to deep stack assemblies in a single product family.
  • 🎨 5 Anodised Colour Options — Dark Red, Sky Blue, Golden, Silver, and Black anodised finishes allow colour-coding of adjustment points or matching of enclosure aesthetics.
  • 🔄 Standard M6 × 1.0 mm Thread — Direct drop-in replacement for any M6 hex bolt where tool-free hand access is preferred; compatible with standard M6 nuts and threaded inserts.
  • 📦 Single or Twin Pack — Available in 1-piece or 2-piece packs, letting you order exactly the quantity needed for your project without excess stock.

📐 Technical Specifications — M6 Knurled Thumb Screws

Thread Size M6
Thread Pitch 1.0 mm (standard coarse)
Shank Length Range 6 mm – 100 mm (0.24 in – 3.94 in)
Available Lengths 6, 8, 10, 12, 15, 18, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100 mm
Material Aluminium alloy
Head Style High-type knurled (tall profile)
Surface Finish Anodised
Colour Options Dark Red, Sky Blue, Golden, Silver, Black
Pack Quantity 1 Pcs or 2 Pcs (see variant options)
Head Diameter See variant options
Head Height See variant options
Drive Hand (knurled grip — no tool required)

❓ Frequently Asked Questions

How do I choose the correct screw length for my application?

Measure the total thickness of the material(s) being clamped, then add any clearance needed for the nut or threaded insert on the back side. The shank length listed (e.g. M6 × 20 mm) refers to the threaded portion excluding the head. Choose a length that passes fully through your panel with enough thread engagement — typically at least 1× the thread diameter (6 mm minimum engagement for M6).

What clamping strength can I expect from an aluminium alloy thumb screw?

Aluminium alloy thumb screws are designed for hand-tightened, low-to-moderate clamping loads — suitable for panel covers, access doors, jig fences, and light fixture assemblies. They are not intended for high-torque structural joints. If your application requires tool-tightened clamping forces, a steel fastener is more appropriate.

Are these thumb screws corrosion-resistant?

The anodised finish provides a layer of oxidation protection that improves corrosion resistance compared to bare aluminium. They are suitable for indoor and dry workshop environments. For prolonged outdoor or high-humidity exposure, consider applying a light protective coating or selecting a stainless steel alternative.

Will these fit a standard M6 nut or threaded insert?

Yes. These screws use the standard M6 × 1.0 mm coarse thread, which is compatible with any standard M6 nut, M6 threaded insert, or M6-tapped hole. No special hardware is required.

What is the difference between the 1 Pcs and 2 Pcs pack options?

The pack quantity refers to the number of individual screws included. The 1 Pcs option contains one screw; the 2 Pcs option contains two screws of the same size and colour. Pricing reflects the quantity. Order the pack size that matches your project requirement.

Can I use these to replace hex bolts in an existing M6 assembly?

Yes, provided the hex bolt was not torqued beyond hand-tight levels. These thumb screws share the same M6 × 1.0 mm thread, so they thread directly into any existing M6-tapped hole or nut. They are ideal for converting tool-required fastening points to tool-free access panels or adjustment knobs.

Does the anodised colour affect the dimensions or thread fit?

Anodising adds a very thin layer (typically 5–25 µm) to the surface, which has no measurable effect on thread dimensions or fit. All colour variants of the same size are dimensionally identical and thread into the same M6 hardware.

🛒 Select your Screw Size, Colour, and Pack Quantity above, then add to cart.

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