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CL226-2A black powder coated zinc alloy 180 degree industrial hinge with M6 embedded studs heavy duty equipment pivot hinge
CL226-2A and CL226-2 dimension drawing zinc alloy hinge 180° opening countersunk hole vs M6 stud mounting size specification
CL226-2A black powder coated zinc alloy 180 degree industrial hinge with M6 embedded studs heavy duty equipment pivot hinge
CL226-2A and CL226-2 dimension drawing zinc alloy hinge 180° opening countersunk hole vs M6 stud mounting size specification

CL226-2A (M6 Embedded Stud) & CL226-2 (Countersunk Hole) 50×50mm Zinc Alloy 180° Heavy Duty Industrial Cabinet Hinge

CL226-2A (M6 stud) & CL226-2 (countersunk hole) zinc alloy 180° black heavy duty industrial cabinet hinges.

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CL226-2A (M6 Embedded Stud) & CL226-2 (Countersunk Hole) 50×50mm Zinc Alloy 180° Heavy Duty Industrial Cabinet Hinge

Complete Technical Specifications

Shared General Parameters

  • Max Opening Angle: 180 degrees
  • Main Body Material: High-pressure die-cast zinc alloy
  • Rotation Pin: Solid carbon steel pin (Φ6mm diameter)
  • Surface Finish: Matte black powder coating (scratch-resistant, anti-corrosion)
  • Overall Outer Dimension: 50mm length × 50mm width × 6mm plate thickness

Two Model Classification Table

Core Product Features & Advantages

2.1 High Strength Die-Cast Zinc Alloy Structure

Integrated die-casting forming delivers excellent rigidity, impact resistance and load-bearing capacity. Compact 50×50mm footprint fits medium and small-sized equipment panels, resistant to deformation under long-term repeated opening and closing.

2.2 Durable Black Powder Coating Surface

Uniform black powder coating forms a protective layer on the zinc alloy body, effectively resisting oxidation, dust, oil stains and minor scratches. Matte industrial appearance is wear-proof and easy to clean for factory workshop environments.

2.3 Φ6 Solid Steel Pin for Stable Rotation

Precision machined steel central pin ensures tight clearance between hinge leaves, low rotational friction, no shaking or loosening after thousands of cycles, greatly extending service life.

2.4 180° Full Flat Opening Angle

Up to 180-degree full opening allows the equipment door to lay completely flat alongside the cabinet frame, eliminating obstruction during internal wiring, component inspection, equipment debugging and routine maintenance.

2.5 Two Optional Installation Methods for Different Panels

  1. CL226-2A M6 Embedded Stud Version Two protruding M6 threaded posts on the rear side, simply insert through pre-drilled cabinet holes and secure with lock nuts on the reverse side. Perfect for thick metal frames, hollow cabinet walls and quick batch assembly.
  2. CL226-2 Countersunk Hole Version Four standard 90-degree countersunk mounting holes enable flush installation with flat head screws. No protruding hardware on the surface for a neat, streamlined look, ideal for solid sheet metal plates and standard enclosure panels.

Wide Application Scenarios

  1. Small electrical control boxes, PLC enclosures, frequency converter casings, low-voltage terminal distribution boxes
  2. Automation equipment protective covers, testing instrument housings, CNC auxiliary machine safety doors
  3. Communication signal cabinets, battery storage small boxes, waterproof outdoor monitoring device enclosures
  4. Laboratory test equipment casings, medical analytical instrument panels, environmental monitoring control boxes
  5. Industrial sheet metal tool boxes, portable power equipment housings and light-duty machinery access doors

Installation Steps & Maintenance Guidelines

4.1 CL226-2A (M6 Stud Model) Installation

  1. Drill two matching through holes on the cabinet panel for M6 studs
  2. Thread the embedded M6 bolts through the panel from the front
  3. Secure with washers and nuts on the back and fully tighten
  4. Test 180° opening smoothness and hinge stability

4.2 CL226-2 (Countersunk Hole Model) Installation

  1. Mark four hole positions, drill Φ6.3 holes and machine 90° countersunk recesses
  2. Lay the hinge flat on the panel and fasten with M6 flat head screws
  3. Check door swing flexibility and load balance

4.3 Installation Quantity Recommendation

  • Door height ≤ 500mm: Install 2 hinges symmetrically
  • Door height 500–900mm: Install 3 hinges to prevent door sagging and deformation

4.4 Maintenance Precautions

❌ Not suitable for long-term deployment in strong acid/alkali corrosive workshops, high-salt coastal fog and heavy chemical vapor environments.

  1. Regularly wipe the black coated surface to remove metal shavings and grease
  2. Apply a small amount of dry lubricant to the central steel pin every 6 months to keep rotation smooth and silent

Product Summary

CL226-2 series are compact 50×50mm 180-degree opening zinc alloy industrial hinges, divided into CL226-2A (M6 embedded threaded studs) and CL226-2 (four countersunk flush holes) two mounting variants. Adopting high-strength die-cast zinc alloy body, anti-corrosion black powder coating and wear-resistant solid steel pivot pin, they realize stable load capacity and full flat 180° opening, serving as reliable standard hardware for small electrical control cabinets, automation machinery enclosures and various light industrial equipment access doors.

CL226-2A M6 embedded stud zinc alloy hinge CL226-2 countersunk hole black powder coated 180 degree heavy duty industrial cabinet hinge