CL212A-1 75mm Zinc Alloy Matte Black Powder Coated Reversible Left & Right Lift-Off Detachable Hinge with Galvanized Steel Pin

Full Technical Specifications

Model Number: CL212A-1
Material: High-pressure die-cast zinc alloy main body + galvanized iron steel pin
Surface Treatment: Electrostatic black powder coating
Overall Outer Dimension: 75mm total length
Mounting Holes: 2 × Φ5.8 mounting holes on base plate
Hole center distance: 61mm
Pin Diameter: Φ6
Core Feature: Reversible pin structure, switchable for left-hand opening or right-hand opening door installation
Lift-off Method: Pull out tapered steel pin to detach door leaf completely

Core Product Features & Competitive Advantages

2.1 Reversible Two-Way Opening Design (Left & Right Universal)

The tapered steel pin can be assembled on either side of the hinge barrel, freely switched between left-opening and right-opening door applications. One single part number covers two installation directions, greatly reduces inventory SKUs, simplifies purchasing and warehouse management for wholesalers and cabinet manufacturers.

2.2 Galvanized Steel Pin for Anti-Rust & Heavy Load

The spindle adopts galvanized carbon steel pin, effectively resisting oxidation and rust in normal indoor environments. Higher hardness and shear strength than standard zinc alloy pins, stable load-bearing for larger and heavier equipment cabinet doors, resistant to long-term frequent opening wear and pin bending deformation.

2.3 High Durability Matte Black Powder Coating Finish

Electrostatic powder spraying forms a tough, impact-resistant protective layer on the zinc alloy substrate. Compared with electroplating surface, it has superior scratch resistance, UV resistance and anti-fading performance. The low-gloss industrial matte black surface repels fingerprints and oil stains, maintaining a neat professional appearance on control equipment and power boxes.

2.4 Large Base Plate for Stable Installation

Extended 75mm long mounting base with two widely spaced fixing holes provides larger contact area with cabinet frame. Distributes door weight evenly, effectively preventing loose mounting, hinge tilt and door sagging after long-term use, ideal for heavy-duty industrial enclosure scenarios.

2.5 Tool-Free Full Lift-Off Disassembly

Tapered pointed steel pin can be directly extracted to separate the door from the cabinet frame without dismantling any screws. Greatly improves efficiency for equipment internal wiring modification, component maintenance, cabinet transportation and batch production assembly.

Main Application Scenarios

Large electrical control cabinets, power distribution boxes, frequency converter cabinets and PLC control enclosures
Industrial automation equipment frames, large testing instruments, mechanical equipment protective casings
Network server cabinets, electrical panel boxes, outdoor weak current equipment boxes (indoor dry environment only)
Cabinets requiring mixed left-hand and right-hand door layout in one project
Standardized heavy-duty sheet metal enclosure mass production with detachable door requirement

Selection & Installation Operation Guide

4.1 Left/Right Opening Switch Method

Tap out the galvanized steel pin from the current end of the hinge barrel.
Insert the pin into the opposite hole position (right opening pin position ↔ left opening pin position).
Confirm pin locking in place to complete direction conversion.

4.2 Installation Steps

Mark drilling points on cabinet fixed frame according to 61mm hole center distance.
Secure the hinge base plate with machine screws through the two Φ5.8 mounting holes.
Insert the tapered steel pin to hang the door leaf onto the hinge body.
Test opening/closing stroke and pin pull-out detachment function for smooth operation.

4.3 Installation Quantity Suggestion

Install 2 pieces symmetrically for door height ≤600mm; add the 3rd hinge in the middle for oversized or heavy metal doors to avoid deflection and sagging.

4.4 Maintenance Reminders

Suitable only for dry indoor working conditions, not for continuous high humidity, chemical corrosive or heavily dusty workshops. Wipe the black powder coated surface with dry cloth regularly; apply a small amount of anti-rust grease on the galvanized steel pin periodically to ensure smooth pulling and rotation.

Product Summary

CL212A-1 is a heavy-duty reversible lift-off cabinet hinge manufactured with die-cast zinc alloy and anti-rust galvanized steel pin, finished with scratch-resistant matte black powder coating. Its unique left/right switchable pin structure reduces inventory costs, while the enlarged mounting base delivers reliable load performance. It is a versatile standardized hardware solution for large industrial electrical enclosures, automation machinery housings and sheet metal equipment cabinets.

CL212A-1 zinc alloy black powder coat lift off hinge reversible left right opening galvanized steel pin 75mm length detachable cabinet hinge