CL202-2 Black Powder Coated Zinc Alloy & Steel 180° Full Opening Exposed Industrial Cabinet Hinge

CL202-2 is a heavy-duty exposed cabinet hinge constructed with zinc alloy door leaf and steel frame base, finished with durable matte black powder coating. It features 180-degree full flat opening, 2 countersunk mounting holes on the door side, and 2 pressure plate fixing holes on the frame side for secure installation. The composite material design combines zinc alloy’s precise casting with steel’s high strength, delivering excellent load-bearing capacity and durability for industrial electrical cabinets, distribution boxes, mechanical equipment doors and heavy-duty enclosures.

Complete Technical Specifications

• Model Number: CL202-2
• Door Leaf Material: Die-cast Zinc Alloy
• Frame Base Material: Steel (bracket, pin, pressure plate)
• Surface Finish: Black Powder Coating (Matte black electrostatic powder coat)
• Maximum Opening Angle: 180° full flat opening
• Overall Length: 40.5mm
• Overall Height: 37.5mm
• Mounting Configuration: Door side: 2 × Φ7.2 through holes, Φ12 × 90° countersunk sink Frame side: 2 × Φ8.5 pressure plate fixing holes
• Structure Type: Exposed surface-mount hinge with composite material construction

1. Zinc Alloy + Steel Composite Construction

CL202-2 adopts an optimized composite material design: the door leaf is die-cast zinc alloy for precise dimensional accuracy, smooth surface and good impact resistance, while the frame base, bracket and pivot pin are made of steel for enhanced structural strength, shear resistance and load-bearing capacity. This combination delivers the best of both materials, ensuring both aesthetic appearance and long-term durability under heavy use.

2. 180° Full Flat Opening Design

The hinge supports complete 180-degree flat opening, allowing the cabinet door to lay fully flush against the cabinet side wall. This maximizes internal access space for wiring, component replacement, equipment debugging and routine maintenance, providing unobstructed operation for technicians. The precision machined pivot pin ensures smooth, silent rotation throughout the full opening range.

3. Durable Black Powder Coating Finish

Electrostatic powder coating forms a tough, uniform matte black protective layer on the hinge surface, with superior adhesion, scratch resistance, corrosion resistance and weather durability compared with ordinary painting. The matte black finish resists fingerprints and minor abrasions, maintains professional industrial appearance for long-term use, and matches most cabinet color schemes for a cohesive look.

4. Dual-Side Secure Mounting System

• Door side: 2 countersunk 90° holes allow flat head screws to be fully embedded, keeping the door outer surface smooth and scratch-free.
• Frame side: 2 pressure plate fixing holes provide strong clamping force on the cabinet frame, ensuring stable, anti-loosening installation even under vibration and frequent opening/closing. The dual-side mounting system distributes load evenly, preventing hinge sagging or door misalignment over time.

5. Exposed Surface-Mount Installation

Unlike concealed hinges that require groove cutting, CL202-2 is designed for direct surface mounting on the cabinet exterior, greatly simplifying installation and reducing machining cost. It is ideal for retrofit projects, custom cabinets and applications where embedded installation is not feasible.

Core Selling Points

1. Zinc Alloy + Steel Composite Structure Combines zinc alloy precision with steel strength, balanced aesthetics and heavy load capacity.
2. 180° Full Flat Opening Maximum internal access space, convenient for equipment maintenance and component replacement.
3. Durable Black Powder Coating Scratch & corrosion resistant, matte black finish, long-lasting industrial appearance.
4. Dual-Side Secure Mounting Countersunk door side + pressure plate frame side, stable anti-loosening installation.
5. Easy Surface-Mount Installation No groove cutting required, simple installation, suitable for retrofit and custom cabinets.

Typical Application Scenarios

1. Industrial electrical distribution cabinets, PLC control boxes, inverter automation enclosures
2. Mechanical equipment protective doors, CNC machine tool access panels, production line safety guards
3. Outdoor waterproof junction boxes, solar power equipment housings, generator set enclosures
4. Heavy-duty workshop tool cabinets, industrial storage lockers, equipment maintenance boxes
5. Power distribution rooms, electrical control rooms, industrial facility metal cabinets

Installation & Selection Guidelines

1. Load Suggestion: For wide or heavy door panels, install two CL202-2 hinges symmetrically for balanced load bearing.
2. Screw Matching: Use M6 flat head 90° countersunk screws for door side Φ12 sink holes; use matching bolts for frame side pressure plate holes.
3. Opening Clearance: 180° full opening design, verify side clearance before bulk order to avoid wall or frame collision.
4. Environment Note: Black powder coated zinc alloy + steel version is suitable for indoor and dry semi-outdoor environments; select all-stainless-steel hinges for coastal, high humidity and strongly corrosive sites.
5. Maintenance Tip: Periodically apply a small amount of lubricant to the pivot pin to maintain smooth rotation and reduce wear.

Product Summary

CL202-2 black powder coated zinc alloy & steel exposed hinge provides a cost-effective, heavy-duty surface-mount hinging solution for industrial cabinets. Combining composite material construction, 180° full opening, durable powder coating and dual-side secure mounting, it offers easy installation, reliable performance and professional appearance, making it an ideal hardware choice for electrical enclosures, mechanical equipment doors and heavy-duty industrial cabinets.

CL202-2 black powder coated zinc alloy steel 180 degree exposed cabinet hinge industrial equipment hinge