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Still deciding? Get samples of $ !
Order Sample
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| Customization: | Available |
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| Type: | 90°Hinge |
| Specification: | 3#(75mm), As your requirement, 3#(75mm) |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Payment Methods: |
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| Support payments in USD |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Suppliers with verified business licenses
Audited by an independent third-party inspection agency
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Item Name
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metal folding table adjustable leg hinge
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Material
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2.0mm/2.3mm/2.5mm thickness iron
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Finish
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MFZn-C/electrophoresis/plain
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MOQ
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100pcs
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Net Weight
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125g/pc
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Package
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200pcs/carton
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Carton
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37x32x20 cm, 27.5kg
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Surface Treatment
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Anodizing, Brushing, Galvanized, Laser engraving, Silk printing, Polishing, Powder coating, etc.
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Tolerance
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±0.1~0.005mm, 100% QC quality inspection before delivery, can provide quality inspection form
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Testing equipment
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RoHS tester , callipers , salt spary tester , 3D coordonate measuring instrument
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Processing
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Stamping, Pressing
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File Formats
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Solid Works, Pro/Engineer, AutoCAD(DXF,DWG), PDF, TIF etc.
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Service Project
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Mold design, mold product, and customization of logo, etc.
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Quality Assurance
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ISO9001:2015 Certified.TUV
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Our Advantages
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1.Reply in time: Reply within 2 hours, TM reply within 30 minutes;
2.15+ years of experience in the metal products processing area and advanced processing machines in saving materials;
3.100% QC quality inspection before delivery;
4.Delivery on time: two shifts in production.
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Testing Machine
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Digital Height Gauge, caliper, Coordinate measuring machine, projection machine, roughness tester, hardness tester and so on
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Industry used
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Machinery; heavy duty equipment; electronic device; Auto spare parts; optical telecommunication
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Packing
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Eco-friendly pp bag / EPE Foam /Carton boxes or wooden boxes As customer's specific requirements |
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Trial sample time
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7-10 days after confirmation
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Delivery time
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7-30 days after receive the pre-payments
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Payment Terms
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T/T,Western Union,Paypal
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Advantages:
OUR PRODUCING PROCESS:

A Self-Locking Folding Hinge is a specialized hardware device designed to connect two panels (typically for tables, partitions, or platforms) that can be folded and unfolded smoothly. Its core feature is an integrated self-locking mechanism that automatically holds the panels securely in the fully open (usually 90° or 180°) position without the need for additional latches or manual locking.
These hinges are widely used in products requiring stable, flat surfaces in use and compact storage afterward:
Folding Tables & Desks: For offices, schools, events, and homes.
Space Dividers & Room Partitions: In offices, exhibitions, and homes.
Folding Platforms & Stages.
Furniture for RVs, Campers, and Boats.
Industrial Workbenches and Maintenance Platforms.
The mechanism typically involves a spring-loaded cam, a detent pin, or an over-center design. When the panels are opened to a specific angle (e.g., 90°), the internal components snap into a locked position, providing a positive stop and preventing accidental folding. The lock is released by lifting a lever or applying slight upward pressure on the panels.
We manufacture hinges from durable materials for long service life:
Main Body/Brackets: Cold-rolled steel (CRS), stamped steel, or aluminum alloy.
Pivot Pins & Locking Components: Hardened steel or zinc alloy for strength.
Surface Finishes: Electroplated zinc (blue/white/yellow), powder coating, or nickel plating for corrosion resistance and appearance.
Our standard range includes:
Lengths: From 200mm to 1200mm (approx. 8" to 48") between mounting plates.
Load Capacities: From 25kg to over 250kg per pair, depending on size and model.
Panel Thickness: Accommodates panels from 15mm to 40mm thick. Custom sizes and capacities are available for OEM orders.
The most common locking angle is 90 degrees (panels fully open, forming an L-shape or flat surface). We also offer models that lock at 180 degrees (fully flat) or other specific angles upon request.
Yes. Installation is straightforward:
The hinge consists of two mounting plates.
Screw or bolt each plate onto the inner edge of the respective panel.
Ensure the panels are aligned correctly before tightening.
We provide detailed installation drawings and hole templates.
Most of our standard models are universal and can be installed for either left or right-handed folding. Please confirm the specific model's features. Custom "handed" versions are also available.
Yes. Besides standard zinc plating, we offer:
Powder Coating: In various colors (black, white, gray, RAL codes).
Anodizing: For aluminum hinges (clear, black, colors).
Custom Finishes: To match your product's aesthetic.
Standard Models: MOQ is typically 100-200 pieces per size/model.
Custom OEM Designs: MOQ starts from 500 pieces, depending on design complexity.
Samples: Available for evaluation; 1-2 pieces can be provided for qualified buyers.
Samples: 5-7 working days.
Standard Order (in stock): 7-10 working days.
Standard Order (production): 15-20 working days.
Custom OEM Order: 25-35 working days after final design approval.
Absolutely. We specialize in customizing:
Dimensions (length, width, mounting hole pattern).
Load Capacity and locking mechanism strength.
Materials and Finishes.
Packaging and Private Labeling.
Our quality process includes:
Material Inspection: Verification of steel grade and thickness.
Function Testing: 100% testing of the locking/unlocking action and smooth rotation.
Load Testing: Batch testing for rated load capacity and fatigue.
Salt Spray Test: To ensure coating meets corrosion resistance standards (e.g., 72+ hours for zinc plating).
Packaging: Individual plastic bags, then packed in inner cartons and master export cartons.
Shipping: Mainly by sea (FOB/CIF terms), with air freight available for samples or urgent orders.
Documentation: Complete commercial documents and certifications are provided.
We offer a 12-month warranty against manufacturing defects in materials and workmanship under normal use. Technical support is available to assist with any application questions.