Compact Toggle Latch – 8kg Nickel Plated Steel Lightweight | NRH 5151-33

NRH 5151-33 Compact Toggle Latch - Nickel Plated Steel, Vibratory Finish, 8kg Load, Lightweight

The NRH 5151-33 is a compact, lightweight toggle latch engineered for reliable closure on small panels, instrument cases, and electronic enclosures. Manufactured from steel with nickel plating and finished with a uniform vibratory finishing, it offers good corrosion resistance, a bright, professional appearance, and smooth, burr‑free edges. The simple over‑center toggle mechanism provides secure, tool‑free latching where space and weight are critical. Weighing only 8g and with a compact footprint (approx. 33mm × 19mm), it is ideal for space‑constrained designs. Rated for a 78N (8kg) tensile load, it reliably secures lightweight doors, lids, and access panels in indoor or benign environments. Clear “NRH” branding ensures quality and traceability.

As a product of NRH Box Hardware (specialist since 1996), this latch is manufactured under an ISO 9001 certified system. Regarding international compliance (SGS, REACH, RoHS, SVHC), these standards can be supported based on customer requirements - contact us for details. OEM/ODM services are available for custom hole patterns, lever lengths, or logo engraving. Full 2D/3D CAD models available upon request.

Key dimensions: length 33mm, width 19mm, with 4×Φ3.2mm mounting holes. Refer to the engineering drawing for complete dimensional data (including overall height, base thickness, etc.).

Why Nickel Plated Steel + Vibratory Finish?

Nickel plating on steel provides a bright, corrosion‑resistant surface that outperforms standard zinc plating in terms of appearance and durability. It offers good protection against rust and wear, making it suitable for indoor electronics, instrument cases, and light industrial use. The vibratory finishing process uniformly deburrs the metal, creating a smooth, satin surface that is safe to handle and aesthetically consistent. Key benefits:

• Enhanced corrosion resistance - better than zinc plating, ideal for higher‑quality indoor applications
• Bright, professional appearance - nickel has a slightly warm silver sheen
• Smooth, burr‑free edges - eliminates sharp spots, safe for frequent handling
• Cost‑effective - balances performance and affordability

Primary Applications - Lightweight & Space‑Constrained Enclosures

• Small instrument & electronics cases - handheld test equipment, portable measurement devices, sensor housings
• Control panels & access covers - small electrical boxes, instrument panel covers, inspection hatches
• Network & communication devices - indoor modems, routers, switches, telecom equipment
• Lightweight storage & display boxes - presentation cases, sample boxes, light‑duty storage containers

How It Works - Over‑Center Toggle Mechanism

The latch operates on a simple toggle principle. When the handle is pressed down, the hooked catch swings over and engages a fixed strike plate or panel edge. As the handle passes its mechanical center point, the latch locks securely - a state that resists vibration and accidental opening. To release, simply lift the handle. The nickel‑plated steel construction and vibratory finishing ensure smooth, consistent operation over thousands of cycles. This tool‑free design saves time and effort in repetitive access applications.

Key Advantages

• Ultra‑lightweight (8g) - adds negligible mass to portable devices
• Compact footprint (33×19mm) - fits tight spaces, ideal for small cases
• 8kg (78N) holding force - reliable for lightweight doors and lids
• Nickel plated steel - bright, corrosion‑resistant, professional finish
• Vibratory finish - smooth, burr‑free, safe handling
• Tool‑free, one‑handed operation - saves time, no special tools required
• Precision mounting - 4×Φ3.2mm holes on a stable base
• OEM/ODM ready - custom hole sizes, lever shapes, logo engraving

Technical Specifications

• Brand: NRH Box Hardware
• Model Number: 5151-33 (also referenced as R5151-33)
• Product Name: Toggle Latch (Compact)
• Material: Steel with Nickel Plating
• Finish: Vibratory Finishing
• Net Weight: 8g
• Tensile Load: 78N (approx. 8kg)
• Key Dimensions: Length 33mm, Width 19mm, Mounting Holes 4×Φ3.2mm (refer to engineering drawing for complete details)
• Compliance: ISO 9001, SGS, REACH, RoHS, SVHC (available upon request - contact us for details)
• Note: Data for reference only. Manufacturer Since 1996. OEM/ODM Services Available. 2D/3D CAD on request.

Why Trust NRH

NRH Box Hardware has been designing and manufacturing industrial latches, hinges, and handles since 1996. The 5151-33 is produced under ISO 9001 certified quality control with full batch traceability. Its compact, lightweight design is tested for thousands of cycles to ensure reliable performance in small electronics, instrument cases, and light industrial enclosures. For a cost‑effective, space‑saving latching solution with a bright nickel finish, NRH delivers proven quality.