| Product Name: | Invisible Cylindrical Hinge | Product Code: | PD105 |
| Color: | Raw Color,welcome to customize | Material: | Brass |
| Length: | 13MM | Diameter: | 3.5MM |
| Application: | For ring box,pen box,etc. | Surface Treatment: | Hanging Plating Or Rolling Plating |
| Weight: | 0.7Gram | Sample: | Free&Available |
An Invisible Cylindrical Hinge is a compact mechanical pivot device designed to provide movement between two adjoining parts—most commonly the lid and base of wooden boxes—while remaining completely concealed when the box is closed. Unlike standard butt hinges or piano hinges, the cylindrical invisible hinge sits within precisely drilled holes and is only visible when the lid is open. This camouflaged design is highly valued for its seamless, minimalist look and for security or aesthetic reasons in wooden box making, cabinetry, luxury packaging, and fine woodworking.
Truly Concealed Mechanism:
When the box is closed, there are no exposed hinge leaves, screws, or hardware—only a flawless wood surface.
Smooth and Reliable Operation:
Quality invisible cylindrical hinges provide effortless, silent opening and closing for wooden boxes or cabinets.
Enhanced Aesthetics:
No visible hardware distractions, which enables sleek, clean design lines crucial for luxury packaging, gift boxes, jewelry cases, or modern furniture.
Increased Security:
With the hinge and all related mechanisms hidden, forced entry is more difficult, making them ideal for precious goods, display cases, and valuables.
Space-Efficient & Durable:
Minimal size provides flush-fitting doors and lids, maximizing internal space while maintaining robust support for years of reliable use.
Jewelry Boxes:
Prized for high-end jewelry packaging where discrete opening is necessary.
Luxury Wooden Gift Boxes:
Used in cigar boxes, wine boxes, watch cases, pen holders, and presentation boxes.
Small Furniture and Cabinetry:
Conceal hinges in display cabinets, drawers, keepsake chests, humidors, and clamshell cases.
Architectural Woodworking:
Hidden hinges in wall panels, secret drawers, or architectural feature panels.
Musical Instrument Cases:
Used in hand-crafted instrument boxes to retain external beauty.
Craft and DIY Projects:
Preferred by woodworkers aiming for a refined, hand-finished product.
Typically a brass or stainless steel barrel hinge with spring or bearing, available in various diameters and lengths to suit box size and wood thickness.
A spring mechanism offers automatic closing (self-closing action) or added tension, popular with presentation cases.
Designed for quick removal or lid separation; sometimes used in instrument or component boxes.
Larger, reinforced hinges for thick wood panels or heavy lids, found in secret doors, office furniture and custom cabinetry.
Brass:
Non-corrosive, elegant, and smooth-moving; the gold standard for high-end small box hinges.
Stainless Steel:
Strong, wear-resistant, and rust-proof; suitable for both indoor and outdoor uses.
Zinc Alloy:
Offers good cost-performance in medium-quality wood boxes or for mass production.
Nickel-Plated Steel:
Added corrosion resistance and silver shine in budget versions.
High-quality hinges usually feature brass or stainless steel for the best aesthetics, lifespan, and functional smoothness.
Superior Craftsmanship:
Only invisible cylindrical hinges preserve the pure wood finish, enabling truly seamless wooden box design.
Minimalist Appeal:
Essential for modern box designs, Scandinavian furniture, and fine woodworking projects where no metal should distract the eye.
Security Advantage:
Hidden hardware deters tampering and improves security for valuable content.
Versatility:
With diameters from 3mm up to 20mm and lengths from 10mm to 45mm, there are hinges for tiny ring cases to large, solid cabinets.
Easy to Maintain:
Concealed position minimizes exposure to dust and wear.
Mark Placement Positions:
Plan the hinge locations—typically 12–20mm from each end of the lid, in a straight line.
Select Drill Bit Size:
Choose drill bit matching hinge diameter (e.g. 6mm, 8mm, or 10mm), ensuring depth matches hinge length.
Drill Holes Precisely:
Drill into both the lid and box/stile; use a drill press for best accuracy. Holes must be perfectly aligned for smooth movement.
Clean Out Debris:
Remove dust, test-fit the hinge barrel in both holes.
Insert Hinges:
Most hinges are friction-fit. For added strength, use a drop of wood glue or two-part epoxy, but ensure you do not glue moving parts.
Test the Mechanism:
Open and close the lid several times to confirm free movement and correct alignment.
Fine-Tune If Needed:
If stiff or misaligned, adjust holes slightly or sand hinge ends.
Finishing Touch:
Once aligned, finish box assembly. Invisible barrel hinges should be undetectable with the box closed!
When choosing or ordering hinges, consider these specs for your box application:
Diameter and Length:
Standard (4/5/6/8/10/12mm, etc.), but can be produced to order for bespoke boxes.
Material and Finish:
Brass (natural or polished), stainless steel (brushed/polished), colored coatings (black, bronze, antique brass, gold, etc.)
Mounting Features:
Detachable hinges for removable lids or hidden fixing pins for improved security.
Spring-Loaded Option:
Add spring tension for self-closing or controlled opening.
Packaging:
Individual or bulk packing for craft supply stores, box factories, or retail.
OEM/ODM Available:
Custom logo engraving or packaging solutions for brands or large buyers.
| Feature | Invisible Cylindrical Hinge | Butt/Piano Hinge | Concealed Euro Hinge | Box Strap Hinge |
|---|---|---|---|---|
| Visibility (Closed) | None | Obvious | Concealed (large) | Visible |
| Aesthetic Appeal | Excellent | Basic/Industrial | Modern/Cabinet | Traditional |
| Installation Difficulty | Moderate | Easy | Hard | Easy |
| Box Wall Thickness | 7–20mm or more | 6mm+ | 15mm+ (large doors) | 6mm+ |
| Maximum Lid Opening | 90–180° (type-dependent) | 180° | 105–120° | 90–135° |
| Durability | High (quality material) | High | High | Medium |
| Security (Anti-Tamper) | Superior | Low | Low | Medium |
Box Size and Weight:
Heavier or large boxes require bigger-diameter hinges (8mm+), with strong materials.
Wall/Lid Thickness:
Chose the hinge length and diameter to not penetrate the box wall/lid.
Intended Opening Angle:
Some hinges support greater opening (up to 180°); check data sheet.
Material Aesthetics:
Match finish to box hardware (brass, brushed steel, blackened, etc.)
Installation Skills:
Precision drilling is key; consider professional help for valuable items.
High-Precision CNC Machining:
Ensures smoother action, perfect roundness and tighter tolerances.
Eco-friendly Coatings:
Low-VOC lacquers and nickel-free treatments for sustainable furniture and boxes.
Micro-Size Hinges:
For ultra-miniature boxes, jewelry sets, microsurgery cases, and luxury packaging.
OEM Branding:
Custom logo or "silent close" branding for furniture and luxury goods brands.
Combination with Smart Hardware:
Integration with RFID/NFC tags or electronic locks for high-value cases.
Q: My new hinge is stiff or squeaks—what should I do?
A: Apply a drop of light machine oil to the moving pin. Avoid glue or dust in hinge joints.
Q: The lid does not close flush—why?
A: Holes may be misaligned. Redrill carefully, or sand gently for a better fit.
Q: Can hinges be replaced after installation?
A: Yes, if not glued, just pull out gently. For glued hinges, loosen with careful heat or solvent.
Q: How do I hide installation errors?
A: Fill old holes with color-matched wood putty and re-drill after it sets.
Keep Dry:
Though brass/stainless hinges won't rust easily, dry environments prevent wood swelling or shrinkage that causes binding.
Lubricate Occasionally:
Use non-staining lubricant to keep operation smooth.
Inspect Annually:
For high-usage boxes, check for movement, oil if needed, and check alignment.
Confirm Dimensions:
Measure your box thickness, lid size, and select suitable hinge specs.
Choose Material & Finish:
Brass, stainless steel, color finishes as per your box design and environment.
Specify Quantity:
MOQ can be as low as 100 pairs; bulk orders receive price benefits.
Custom Requests:
Logo engraving, special packaging, or custom spring options.
Request Samples:
Test-fit before mass production if needed.
Shipping:
Fast global export with safe packaging ensures product arrives in perfect condition.
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Professional Experience:
Years supplying wood box factories, luxury packaging brands, and hobbyists worldwide.
Premium Quality at Every Price:
Strict QC, select raw materials, wide catalog of sizes, mechanisms, and finishes.
OEM & Customization:
Private label service, branded packaging, tailor-made designs, bulk production.
Fast Lead Times & Shipping:
In-stock items for immediate dispatch, custom orders in 2–4 weeks, global logistics.
Support & Satisfaction:
Installation guides, free CAD templates, expert staff response, and after-sales warranty.
Looking for a reliable supplier of invisible cylindrical hinges for your next box-making project or large-scale wooden box production?
Contact our team for catalogs, free samples, custom options, or fast bulk quotes. Experience the difference that a truly invisible, high-quality cylindrical hinge makes in any wood box project.
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