NRH 4201-121 Heavy Duty Spring Handle | SUS 304 Stainless Steel 80kg Load Toolbox Handle

Send Inquiry

Functional characteristics

NRH 4201-121, spring handle, SUS 304 handle, 80kg load handle, heavy duty case handle, flight case handle, industrial cabinet handle, NRH Box Hardware

The NRH 4201-121 is an ultra-heavy-duty Spring Handle, a flagship product from NRH Box Hardware with a manufacturing heritage since 1996. Engineered for the most demanding transportation and industrial applications, it is constructed from premium SUS 304 stainless steel and finished with a durable, smooth Vibratory Finishing. The handle integrates a robust spring mechanism and a comfortable black rubber grip, ensuring a secure, non-slip hold even under maximum load. It provides a reliable grip for carrying and automatically retracts to a flush, space-saving position when released. With an exceptional 784N (80kg) tensile load and a solid net weight of 288g, it is built to secure and transport the heaviest equipment cases and cabinet doors. The product proudly carries the “NRH” brand stamp and is backed by international certifications including ISO 9001:2000, SGS, REACH, SVHC, and RoHS. OEM/ODM services are available.

Primary Applications

This ultra-robust handle is designed for securing and providing reliable access to the heaviest enclosures:

Ultra-Heavy Duty Flight & Transport Cases: Large ATA cases, road cases, and military transport boxes for broadcasting, aerospace, or sensitive high-value equipment.
Industrial Machinery & Large Tool Chests: Enclosures for heavy machinery, oversized rolling tool chests, and integrated field service stations.
Heavy-Duty Industrial & Electrical Cabinets: Large access doors on server racks, power distribution units, and control panels for industrial plants.
Specialized Logistics & Shipping Containers: Custom protective cases and containers for heavy or delicate cargo.

How It Works (Operating Principle)

The handle operates on a heavy-duty spring-loaded mechanism. To use, pull the rubber-gripped handle upward; it extends smoothly to a stable working angle, providing an ergonomic and powerful grip for lifting. To store, simply release the handle. The high-tension internal spring automatically and firmly retracts it, folding the handle completely flat against the mounting surface. This ensures a safe, low-profile, and impact-resistant design crucial for transport and stacking.

Features & Specifications

Ultra-High Load Capacity: Rated for an exceptional 784N (80kg) tensile load, designed for the most challenging lifting tasks.
Premium SUS 304 Construction: SUS 304 stainless steel offers unmatched corrosion resistance, strength, and hygiene for long-term durability.
Professional Vibratory Finish: The Vibratory Finishing provides a uniform, satin surface that is easy to clean, resists scratches, and maintains a professional appearance.
Ergonomic Rubber Grip: Soft black rubber overlay ensures operator comfort, reduces hand fatigue, and provides a secure, non-slip hold.
Automatic Spring Return: Retracts to a flush position automatically when released, maximizing space efficiency and preventing snags during transport.
Robust & Secure Mounting: Engineered with a wide base and 4x Ø5mm mounting holes for an exceptionally strong and stable installation on heavy enclosures.

Technical Specifications

Item	Specification
Brand	NRH Box Hardware
Model Number	4201-121
Product Name	Spring Handle
Primary Material	SUS 304 Stainless Steel
Surface Finish	Vibratory Finishing
Grip Material	Rubber (Black)
Product Weight	288g
Tensile Load	784N (80kg)
Key Dimensions	Overall Height: 102.5mm, Overall Width: 134mm, Overall Length: 122.5mm, Grip Section: 33.5mm x 33.5mm, Mounting Holes: 4 x Ø5mm (on 108mm centers).
Compliance	ISO 9001:2000, SGS, REACH, SVHC, RoHS
Additional Info	Manufacturer Since 1996. OEM/ODM Services Available.