The NRH 6527-45L is a rigid passive hook latch featuring solid construction. It is ideal for scenarios demanding precise closing alignment and elegant decorative effects. Made of zinc alloy, this latch is available in Gold Imitation and Chrome Plated finishes. Lightweight at only 19g, it comes with a tensile load capacity of 78N. Unlike conventional spring or adjustable latches, the 6527-45L adopts a fixed rigid hook design, making it a dedicated fit for specific enclosure structures.
Core Specifications (from product drawings):
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Material: Zinc Alloy
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Surface Finish: Gold Imitation, Chrome Plating
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Product Weight: 19g
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Tensile Load: 78N
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Key Dimensions: Total Length: 45mm; Mounting Hole Spacing: 38mm; Mounting Holes: 4 x Ø3.0mm.
Working Principle
The NRH 6527-45L is a hook-style passive latch. It relies on a fixed mechanical structure for limiting positioning, instead of spring force or elastic deformation.
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Installation & Closure: Both ends of the rigid curved latch are fixed to the door and cabinet frame separately, with non-adjustable overall length.
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Locked State: When the door is closed, the fixed length defines its final stopping position. It acts as a rigid limit hook, preventing over-opening and over-closing.
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Opening Method: Users need to apply proper external force to overcome hinge friction. Opening smoothness depends largely on hinge quality and installation precision.
Features & Selection Guidelines
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Rigid Structure with No Spring Tolerance: This latch has no elastic compensation. The mounting distance between door and frame must strictly match the fixed latch length; otherwise it will cause poor closure or assembly failure.
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Dual Decorative & Limiting Function: It keeps the lid closed steadily and provides delicate decorative appearance. It cannot automatically pull misaligned doors tight, and does not support anti-theft locking.
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Practical Load Performance: 78N tensile load indicates the latch body strength. Actual bearing capacity is determined by screw fastening and enclosure material rigidity.
Main Applications
This rigid hook latch is perfect for lightweight enclosures requiring precise closure, low load demand and decorative design:
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Display & Gift Boxes: Jewelry cases, collectible boxes and premium gift packaging, ensuring neat lid alignment while upgrading visual grade.
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Decorative Storage Cabinets: Small household storage boxes that prioritize appearance over vibration resistance and safety locking.
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Opening Angle Limiting: It can restrict the maximum opening angle of box lids and serve as a stable stop buffer.
Summary & Selection Tips:
The NRH 6527-45L is a decorative rigid limit latch, not a conventional elastic latch or security lock.
Application Recommendations:
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Design enclosure dimensions strictly according to the fixed mounting spacing of the latch.
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Test with actual samples before mass production to verify closing accuracy and fitting effect.
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For vibration resistance, sealing or anti-theft needs, please select other NRH spring latches and locking series.