NRH 5807-60 Square Toggle Latch – SUS304 Vibratory Finish Ultra High Load

NRH 5807-60 Square Toggle Latch - SUS304 Stainless Steel, Vibratory Finish, Ultra High Load 1005N, No Safety Lock

For aviation cases, heavy-duty industrial equipment, and high-load packaging, an ultra-high load capacity latch is essential for safe transport. The NRH 5807-60 is a square toggle latch from the NRH 5807 series. The square-type design features a low-profile body. Manufactured from SUS304 stainless steel with a vibratory finish, it offers excellent corrosion resistance and a hygienic satin surface. The over-center mechanism provides stable clamping force and resists loosening under vibration. This model has no safety lock - relying solely on the over-center self-locking mechanism for simple, quick operation. Weighing just 39g with an outstanding 1005N (approx. 103kg) load capacity, it is one of the highest load ratings in its size class. Overall length is approximately 60mm with a square compact appearance for space-constrained installations. Mounting holes are 2×Ø3.3mm for simple surface mounting. Widely used on aviation cases, heavy-duty luggage, firefighting cases, trunks, import/export wooden crates, machinery, instruments, marine equipment, medical boxes, and power supply enclosures. Clear NRH branding and heritage since 1996 assure quality.

Manufactured under ISO 9001. REACH, RoHS compliance available on request. OEM/ODM modifications (finish, logo) welcome. 2D/3D CAD drawings supplied.

Key dimensions (see drawing): overall length approx. 60mm, mounting holes 2×Ø3.3mm. Refer to engineering drawing for other dimensions.

1. 5807 Series Square Toggle Latch: Classic Design with Ultra High Load

Square-Type Appearance & Low Profile
The square-type design allows installation in tight spaces, making it suitable for aviation cases and power supply boxes.

Full Stainless Steel (SUS304)
Manufactured from Japanese standard SUS304 austenitic stainless steel (18% Cr, 8% Ni), offering excellent resistance to acids, alkalis, and salt spray.

Vibratory Finish
The vibratory finishing process creates a smooth, satin surface that is easy to clean, burr-free, and resistant to bacterial entrapment.

Ultra High Load Capacity (1005N / approx. 103kg)
This model features an outstanding 1005N (approx. 103kg) load capacity - one of the highest in its size class, ideal for heavy aviation cases, large medical equipment, and industrial machinery.

2. Working Principle

This latch uses a classic over-center four-bar toggle mechanism with no safety lock:

• Closing: Hook the latch onto the strike plate, then press the handle down. Past dead center, the mechanism self-locks, generating constant clamping force that resists vibration.
• Opening: Lift the handle to release the over-center lock. Without a secondary lock, operation is direct and fast - ideal for frequent opening/closing where accidental release prevention is not required.

3. Detailed Applications & Industry Examples

• Aviation flight cases / road cases - Long-distance transport subjects cases to severe vibration; over-center self-locking ensures lids stay closed, and the 1005N ultra-high load safely handles heavy audio equipment.
• Medical equipment / sterilizer containers - SUS304 withstands steam corrosion, vibratory finish is easy to clean, suitable for frequent opening/closing.
• Power supply boxes / electrical enclosures - High load capacity handles heavy doors on distribution boxes and EV charging stations.
• Firefighting cases / emergency response boxes - Quick, tool-free opening without a safety lock - ideal for emergencies.
• Heavy-duty luggage / industrial equipment cases - 1005N (103kg) ultra-high load capacity sufficient for heavy toolboxes and generator enclosures.
• Machinery guards / access doors - Over-center locking resists vibration; no safety lock reduces operation steps.
• Instrument cases / laboratory equipment - Clean, burr-free surface meets hygiene requirements.
• Marine equipment boxes / offshore engineering gear - SUS304 stainless steel resists salt spray corrosion.
• Import/export wooden crates / packing boxes - Quick open/close for frequent customs inspection.

4. Installation & Maintenance Guidelines

• Mounting: Drill mounting holes per engineering drawing. Use M3 screws through 2×Ø3.3mm holes. Add washers inside the panel to distribute pull forces.
• Adjustment: After installation, test open/close several times. The over-center snap should be crisp.
• Maintenance: Periodically inspect for rust, deformation, or debris. Lubricate pivot points lightly every six months.
• Emergency release: If the latch jams due to debris, use a small screwdriver to clear the obstruction. Do not force.

5. Technical Specifications

• Brand/Model: NRH 5807-60 (no safety lock)
• Product Type: Square Toggle Latch / Draw Latch
• Series Feature: 5807 series - square-type design, low-profile body
• Material: SUS304 Stainless Steel
• Finish: Vibratory Finishing (satin)
• Weight: 39g
• Load Capacity: 1005N (approx. 103kg static pull)
• Overall Length (approx.): 60mm
• Mounting Holes: 2×Ø3.3mm (surface mount)
• Safety Lock: No
• Operating Temperature: -20°C to +80°C
• Compliance: ISO 9001 certified; REACH, RoHS available on request.
• Note: Drawings for reference. NRH manufacturing since 1996. OEM/ODM welcome.

6. Why Choose NRH 5807-60 Square Ultra High Load Latch?

• Ultra high load capacity - 1005N (approx. 103kg) - one of the highest in its size class.
• Full stainless steel + vibratory finish - Lifetime rust protection, hygienic, easy to clean.
• Over-center self-locking - Resists vibration loosening.
• No safety lock, fast operation - Suitable for high-cycle applications where accidental opening prevention is not required.
• Square compact appearance - Space-saving.
• Lightweight - Only 39g.
• Proven reliability - Decades of industrial use.
• Customizable - Surface finish, logo engraving, modified hole patterns available.

If you need an ultra-high-load, rust-proof square toggle latch without a safety lock for aviation cases, medical equipment, or heavy industrial machinery, the NRH 5807-60 is a proven solution. For safety lock versions, choose models with the "S" suffix. Contact NRH sales for samples, 2D/3D CAD files, or technical support.