CL263 Steel White Zinc Plated Spring-Loaded Bolt Detachable Hinge with Lift Handle

Full Technical Specifications

Model Number: CL263
Hinge Body and Pin Material: Solid steel
Surface Finish: White zinc plating (rust-proof, wear-resistant, clean industrial appearance)
Overall Dimensions: 132mm total length (including extended bolt pin) × 50mm height × 45mm handle height
Base Plate Dimensions: 60mm length × 50mm height
Bolt Pin Diameter: Φ9.5mm
Spring Travel: 18mm (pin retraction distance)
Spring Wire Diameter: 2.5mm
Mounting Holes: 4 pieces Φ7 through holes, 30mm horizontal spacing, 36.5mm vertical spacing
Handle Dimensions: 45mm height (bent ergonomic handle for pin retraction)
Side Profile: 13mm body height
Bolt Pin Extension: 52mm from base plate to pin tip (when fully extended)
Core Features: Spring-loaded bolt mechanism, tool-free detachable door, integrated lift handle, steel construction, white zinc corrosion resistance, four-point mounting, 18mm pin travel

Core Product Features & Advantages

1 Spring-Loaded Bolt Mechanism for Tool-Free Door Removal

The integrated spring-loaded bolt mechanism enables quick, tool-free door removal and installation. Simply lift the ergonomic handle to retract the Φ9.5 bolt pin (18mm travel), slide the door off, and release — the spring automatically returns the pin to the engaged position. This dramatically reduces maintenance time and allows full door removal for unobstructed access to cabinet interiors during servicing, component replacement or equipment installation.

2 Solid Steel Construction with White Zinc Plating

The entire hinge, including both the body, bolt pin and handle, is fabricated from robust solid steel for excellent structural rigidity, impact resistance and heavy load-bearing capacity. The uniform white zinc plating forms a protective layer that effectively resists oxidation, rust and surface abrasion, providing reliable performance in standard indoor industrial environments while maintaining a clean and professional appearance.

3 Integrated Ergonomic Lift Handle for Easy Operation

The bent ergonomic handle (45mm height) provides a comfortable grip for operators to retract the spring-loaded bolt pin during door removal or installation. The handle design allows for quick one-handed operation, making door removal fast and efficient even when wearing work gloves. The handle is integrally formed with the bolt pin for maximum strength and durability.

4 Robust 60×50mm Base Plate with Four-Point Mounting

The substantial 60×50mm base plate provides a broad surface for maximum load distribution, while the 4×Φ7 mounting holes (30mm horizontal × 36.5mm vertical spacing) allow M6 screws to securely fasten the hinge to both cabinet frame and door. The four-point fixation pattern ensures robust and stable installation on heavy cabinet doors, effectively resisting sagging and deformation under long-term frequent door removal and reinstallation.

5 Φ9.5 Heavy-Duty Bolt Pin with 18mm Travel

The Φ9.5 oversized bolt pin provides exceptional load-bearing strength and rotational durability, reliably supporting heavy cabinet doors without bending or wearing over time. The 18mm spring travel provides sufficient retraction distance for easy door removal while ensuring the pin remains securely engaged when the door is in place, preventing accidental dislodging from vibration or impact.

6 Cost-Effective Reliable Industrial Hardware

Combining solid steel construction, white zinc corrosion protection, spring-loaded detachable functionality and ergonomic handle design, this hinge offers excellent value for industrial cabinet applications requiring frequent door access. It provides reliable performance at a cost-effective price point, making it suitable for high-volume production runs and OEM equipment applications.

Application Fields

Electrical control cabinets, low-voltage distribution boxes, frequency converter enclosures and PLC equipment housings requiring frequent door removal for maintenance
CNC machine tool guards, automation equipment protective doors and industrial machinery access panels
Communication equipment cabinets, server racks and signal transfer enclosures requiring regular equipment servicing
Sheet metal tool cabinets, industrial console doors, workbench cabinets and storage enclosures
Test bench cabinets, laboratory equipment enclosures and environmental monitoring control boxes
Outdoor communication cabinets, energy storage battery boxes and waterproof monitoring equipment enclosures (indoor-rated, suitable for sheltered outdoor use)
Aluminum profile industrial frames, mechanical equipment maintenance hatches and large test fixtures
High-volume electrical cabinet manufacturing and OEM equipment production requiring cost-effective detachable hinges
Applications where full door removal is needed for unobstructed access to cabinet interiors
Equipment that requires frequent door removal for component replacement, wiring or maintenance

Installation & Maintenance Guidelines

Step-by-Step Installation Procedures

Determine the installation positions on both the cabinet frame and door panel according to the dimension drawing
On the cabinet frame: mark and drill 4×Φ7 through holes at 30mm horizontal × 36.5mm vertical spacing
Align the hinge base plate against the cabinet frame and fasten with M6 screws through all 4 mounting holes
On the door panel: drill a Φ9.5 hole at the corresponding position to accommodate the bolt pin
Lift the ergonomic handle to retract the spring-loaded bolt pin
Align the door panel with the retracted pin position and release the handle to allow the spring to engage the pin into the door hole
Verify that the bolt pin is fully engaged in the door panel and that the door rotates smoothly
Test the door removal and reinstallation process to ensure smooth spring-loaded operation
Adjust the mounting position slightly if needed to achieve proper door alignment and consistent gap spacing

Installation Quantity Recommendation

Door height ≤600mm: Install 2 spring-loaded bolt hinges symmetrically (top and bottom)
Door height 600mm to 1200mm or heavy steel door: Install 3 hinges (top, middle, bottom) for balanced load distribution
Note: For proper detachable operation, all hinges on a door should be the same spring-loaded bolt model to ensure synchronized pin engagement

Maintenance Instructions

Suitable for indoor dry environments; for sheltered outdoor use, regular inspection and additional corrosion protection are recommended
Wipe the white zinc plated surface periodically with a soft dry cloth to remove dust, grease and moisture
Apply a small amount of dry lubricant to the Φ9.5 bolt pin and spring mechanism every six months to maintain smooth retraction and engagement
Check all 4 mounting screw tightness quarterly, as frequent door removal may cause gradual loosening
Test the spring-loaded bolt operation quarterly to verify consistent pin engagement and retraction; if the spring weakens, replace the hinge
Inspect the white zinc plating annually for chips or scratches; touch up with zinc-rich paint if necessary to maintain rust protection
Inspect the spring mechanism annually for any signs of fatigue, deformation or corrosion; replace immediately if any damage is detected
Verify that the bolt pin remains properly aligned with the door panel hole; re-adjust if alignment shifts over time

Product Summary

CL263 is a spring-loaded bolt detachable hinge manufactured from solid steel with white zinc plating, featuring an integrated ergonomic lift handle for tool-free door removal. Its robust steel construction provides excellent structural rigidity and heavy load-bearing capacity, the white zinc plating offers reliable corrosion protection for standard indoor industrial environments, the Φ9.5 bolt pin with 18mm spring travel ensures secure door engagement and quick removal, and the 60×50mm base plate with 4×Φ7 four-point mounting provides stable installation on heavy cabinet doors. With its innovative detachable design, ergonomic operation and cost-effective performance, it is an ideal hardware solution for electrical cabinets, machinery enclosures, communication equipment, industrial consoles and various applications requiring frequent full door removal for maintenance and servicing.

CL263 steel white zinc plated spring loaded bolt detachable hinge 4-Φ7 mounting holes Φ9.5 pin lift off industrial cabinet equipment door hinge