CL204-7 Series 50mm Compact Short Body 180° Universal Lift-Off Split Detachable Cabinet Hinge (Zinc Alloy CL204-7 / SUS304 Stainless Steel CL204-7S)
Detailed Technical Specifications
- Model Range: CL204-7 (Zinc Alloy), CL204-7S (SUS304 Stainless Steel)
- Overall Total Length: 50mm
- Cross Section Dimension: Width 12mm, Height 16mm
- Mounting Holes: 4 × M6 blind internal tapped holes for concealed screw installation
- Maximum Rotation Opening Angle: 180° fully flat open
- Surface Finish:
- CL204-7: Bright electroplated finish
- CL204-7S: High-gloss mirror polishing
- Structure Type: Middle split separable pivot design, universal for left and right hand cabinet doors, no separate L/R versions
- Hole Spacing Layout: 13mm + 12mm +13mm symmetrical hole distribution
Core Product Features & Advantages
2.1 Ultra-Short 50mm Compact Body, Perfect for Narrow Installation Spaces
The biggest core advantage of CL204-7 series is the shortened 50mm total length, greatly reduced footprint compared to standard 80/82mm CL204 hinges. It perfectly fits small control boxes, miniature instrument casings, narrow-panel equipment and compact enclosures with limited mounting surface, solving the installation limitation of standard long hinges in tiny cabinet frames.
2.2 Two Material Versions for Full Scenario Coverage
We provide two independent material options to match different working environments:
- CL204-7 Zinc Alloy Version Die-cast zinc alloy integrated forming, stable dimensional accuracy, cost-effective for mass indoor dry environment projects, ideal for conventional electrical boxes and indoor automation equipment with no corrosion requirements.
- CL204-7S SUS304 Stainless Steel Version Solid SUS304 stainless steel raw material with excellent rust-proof, oxidation and corrosion resistance. Adopted premium mirror polishing surface treatment, can be used in outdoor, coastal salt fog, high humidity, water splash and slightly corrosive workshop conditions for long-term stable service.
2.3 Tool-Free Vertical Lift-Off Quick Disassembly Structure
Split central pin connection allows users to lift the door vertically upwards to completely separate the two hinge halves without screwdrivers or extra tools. It simplifies equipment internal wiring inspection, component replacement, routine maintenance and deep cleaning work for small devices, improving after-sales operation efficiency significantly.
2.4 Symmetrical 4-Point M6 Concealed Balanced Mounting
Four evenly spaced M6 internal threaded holes form four-point uniform stress bearing: Effectively prevent small cabinet door deformation, hinge tilt and screw loosening under repeated opening and closing. All fixing screws are embedded inside the panel, keeping the outer cabinet surface smooth and clean without exposed fasteners.
2.5 Bidirectional Universal & 180° Full Flat Opening
Single hinge works for both left-opening and right-opening doors, cutting down inventory SKU quantity and avoiding direction errors during on-site assembly. The 180° maximum rotation angle lets the door lay flat against the cabinet side wall, fully exposing internal circuit modules and parts for convenient debugging and overhaul.
H2 3. Typical Application Scenarios
- Miniature electrical control boxes, small PLC junction boxes and compact power distribution enclosures
- Portable testing instruments, laboratory mini inspection equipment protective housings
- Narrow-frame network weak current boxes, small industrial automation device casings
- Outdoor small signal control cabinets, coastal damp miniature equipment (choose CL204-7S stainless steel model)
- Indoor low-cost mass small cabinet projects (choose economical CL204-7 zinc alloy model)
Selection & Installation Guide
4.1 Model Selection Principle
- Choose CL204-7 Zinc Alloy: Only for dry, indoor, non-humid, non-corrosive ordinary indoor environments, pursuit of cost control for bulk orders.
- Choose CL204-7S SUS304 Stainless Steel: For outdoor exposure, high humidity, coastal salt spray, sanitary food equipment, medical devices and any anti-rust demanding harsh working conditions.
4.2 Installation Suggestions
Given the short 50mm body, it is recommended to install two CL204-7 series hinges symmetrically if the cabinet door width exceeds 400mm to share load and avoid panel sagging. Use standard M6 socket head cap screws for concealed flush mounting.
4.3 Daily Maintenance Tips
- Zinc alloy CL204-7: Keep away from damp and corrosive liquid, regularly wipe the plating surface to prevent oxidation discoloration.
- Stainless steel CL204-7S: Clean mirror polished surface with soft cloth to maintain gloss, add tiny lubricant on the split pivot joint for smooth lifting rotation.
Product Summary
CL204-7 series is the compact short-size derivative of CL204 lift-off hinge family, customized for narrow installation space with only 50mm overall length. Equipped with dual material options of economical zinc alloy and anti-corrosion SUS304 mirror polished stainless steel, matched with 4-point M6 hidden threaded installation and tool-free 180° separable split structure, it is the professional mini detachable hinge solution for all kinds of small, compact industrial equipment cabinets.
CL204-7 zinc alloy short lift off hinge CL204-7S SUS304 stainless steel mirror polished 50mm compact detachable split hinge 4-M6 tapped holes 180 degree opening





