Founded in 2012, Wenzhou Cuyue Lock Technology Co., Ltd. is a leading comprehensive industrial hardware manufacturing enterprise specializing in three core product lines: cabinet locks, hinges, and handles. Backed by a dedicated, professional R&D and design team, Cuyue maintains complete in-house capabilities across product engineering, precision mold development, advanced manufacturing, and rigorous testing validation. By addressing the market’s growing demands for superior product quality, rapid delivery, flexible customization, and strict cost control, Cuyue provides reliable industrial locking and hardware system solutions to global OEM and B2B partners.
Among our specialized hinge offerings, the CL272 PA66 Door Hinge with Adjustment Screw is engineered to deliver adjustable friction/torque control, exceptional mechanical durability, and ultra-wide angular rotation for advanced industrial enclosures.
1. Detailed Material Grade & Corrosion Resistance Performance
Material selection and surface finishing are crucial for ensuring long-term operational reliability and structural integrity in demanding industrial environments:
High-Performance Engineering Plastics (PA66 & POM): The main body and components of the CL272 hinge are constructed from premium PA66 nylon and POM (polyoxymethylene), offering high impact strength, excellent wear resistance, and reliable dimensional stability.
304 Stainless Steel Adjusting Hardware: The built-in adjusting screws and nuts are manufactured from 304 stainless steel, providing outstanding protection against rust, chemical exposure, and atmospheric oxidation.
Fine Grain Matte Surface Finish: The exterior features a professional fine grain matte surface treatment, delivering a clean, non-reflective industrial appearance that resists scuffs and fingerprints.
Environmental Adaptability: The combination of corrosion-resistant stainless steel hardware and robust engineering plastics ensures reliable performance across high-humidity and indoor/outdoor industrial settings.
2. Detailed Technical Parameters & Specifications Table
To streamline the specification process for engineers, CAD designers, and procurement managers, below is the technical parameter data derived from our official engineering documentation:
| Technical Parameter | Specification & Engineering Details |
| Model / Item No. | CL272 |
| Hinge Body Material | PA66 Nylon and POM (Polyoxymethylene) |
| Hardware Material | 304 Stainless Steel (Adjusting Screw & Nut) |
| Surface Treatment | Fine Grain Matte Finish |
| Maximum Opening Angle | Up to $270^\circ$ Full Rotation |
| Special Feature | Integrated Adjustment Screw for Torque / Friction Control |
| Mounting Style | Surface Mount with $4 – \emptyset4.4$ Fixing Holes |
| Dimensional Layout | $36.5\text{ mm} \times 43\text{ mm}$ mounting footprint with $31.5\text{ mm}$ hole spacing |
3. Typical Industrial Application Scenarios
The CL272 adjustable torque door hinge is engineered to support lightweight to medium-duty doors while providing precise friction control across key industrial sectors:
Electrical & Control Enclosures: Secures doors on industrial automation control panels, indoor power distribution cabinets, and low-voltage switchgear.
Electronics & Instrument Housings: Provides smooth, adjustable door positioning for test equipment racks, medical device cabinets, and electronic instrument enclosures.
Server Racks & Telecom Cabinets: Delivers reliable, vibration-resistant door articulation for IT server racks and network communication housings.
Specialized Machinery Access Panels: Ideal for lightweight machinery service doors and inspection hatches requiring customized door holding torque.
4. Why Choose the CUYUE CL272 Adjustable Torque Hinge?
Integrated Torque Adjustment: Features a built-in 304 stainless steel adjustment screw that allows technicians to easily tune the hinge friction, holding doors securely at any desired angle without external props.
Ultra-Wide $270^\circ$ Opening Angle: Engineered to support up to $270^\circ$ of rotation, enabling cabinet doors to fold back completely against the enclosure frame for unhindered maintenance access.
Lightweight & Corrosion-Resistant Build: Combines tough PA66/POM engineering plastics with 304 stainless steel fasteners, offering a lightweight, non-conductive, and rust-resistant hardware solution.
Direct Manufacturer OEM/ODM Advantage: As an integrated manufacturing enterprise, Cuyue offers custom mold development, color matching, and tailored hardware solutions with fast turnaround times and competitive factory pricing.
5. Frequently Asked Questions (FAQ)
Q1: What materials are used to manufacture the CL272 hinge?
A: The CL272 hinge body is constructed from durable PA66 nylon and POM (polyoxymethylene), while the adjusting screw and nut are made from corrosion-resistant 304 stainless steel.
Q2: What is the purpose of the adjustment screw on the CL272 hinge?
A: The integrated adjustment screw allows users to fine-tune the rotational torque and friction, enabling the cabinet door to stay securely open at any preferred angle.
Q3: What is the maximum opening angle supported by this hinge?
A: The CL272 supports an exceptional $270^\circ$ maximum opening angle, allowing cabinet doors to swing wide open against the enclosure frame.
Q4: Is the CL272 hinge suitable for Electrical & Control Enclosures?
A: Yes, its non-conductive engineering plastic body and corrosion-resistant stainless steel hardware make it ideal for indoor Electrical & Control Enclosures and automation panels.
Q5: What surface finish does the CL272 hinge feature?
A: It features a professional fine grain matte surface finish that reduces glare and maintains a clean industrial look.
Q6: How is the CL272 hinge mounted onto cabinet doors and frames?
A: It is designed for surface mounting using four standard fixing holes accommodating $4 – \emptyset4.4$ screws.
Q7: Can CUYUE customize hinge specifications for OEM projects?
A: Yes. As a comprehensive manufacturer with in-house R&D and mold development, Cuyue fully supports custom specifications, OEM designs, and special bulk requirements.
Q8: Are the metal components prone to rusting over time?
A: No. All adjusting screws and nuts are fabricated from 304 stainless steel, ensuring high resistance against rust and environmental oxidation.
Q9: What type of applications benefit most from adjustable torque hinges?
A: Applications requiring doors to remain open at specific inspection angles—such as instrument housings, control consoles, and server racks—benefit greatly from adjustable torque.
Q10: Why choose CUYUE as your industrial hardware supplier?
A: CUYUE provides over a decade of manufacturing experience, complete in-house mold tooling, strict product testing, rapid delivery schedules, and cost-effective factory-direct pricing.
