Home > Product Center > Hasps > Spring Latches​ > R5103-75K Heavy Duty Toggle Latch with Padlock Hole, Nickel Plated SPCC

  • Functional characteristics
  • R5103-75K Heavy Duty Toggle Latch with Padlock Hole, Nickel Plated SPCC

    The NRH R5103-75K​ is a robust toggle latch designed for applications that demand both a powerful clamping force and the option for physical security via a padlock. Engineered for durability, it is constructed from SPCC (Cold Rolled Steel)​ and protected with a Nickel Plating​ finish, giving it a silver appearance and corrosion resistance. A key security feature is the integrated circular padlock hole​ on the latch hook, clearly visible in the provided diagrams. It boasts a substantial tensile load capacity of 245N (25kg)​ and a net weight of 34g, as detailed in the technical drawings. The comprehensive orthographic views (top, side, bottom) provide exact dimensions for seamless integration. Backed by NRH’s manufacturing heritage and certifications, it is a reliable solution for securing and locking heavy-duty enclosures.

    Technical Specifications (Based on Provided Product Images)

    Item
    Specification / Description
    Brand
    NRH Box Hardware
    Model Number
    R5103-75K
    Product Name
    Toggle Latch
    Material
    SPCC (Cold Rolled Steel)
    Finish
    Nickel Plating
    Net Weight
    34g
    Tensile Load
    245N (25kg)
    Security Feature
    Padlock Hole​ (on the latch hook)
    Key Dimensions (from drawings)
    Latch Arm Span: ~74mm
    Mounting Plate Width: 28mm
    Mounting Plate Height: 18mm
    Material Thickness: 1.3mm
    Mounting Holes: 4 x Φ4.2mm
    Padlock Hole Diameter: Clearly shown in top/bottom views
    Brand & Service
    Since 1996. OEM/ODM Supported.

    Product Overview: Powerful Clamping with Padlock Security

    The NRH R5103-75K serves a dual purpose. Its primary function is to securely clamp two panels or surfaces together​ using a robust over-center toggle mechanism, providing a reliable 245N holding force. The secondary, crucial function is enabled by the dedicated padlock hole​ on the swinging latch hook. This allows a standard padlock to be inserted, physically preventing the latch from being disengaged and thereby locking the closure. The Nickel Plating​ on the SPCC steel​ base offers effective protection against rust, while the design ensures straightforward operation and installation, as evidenced by the detailed multi-view drawings.

    Core Features

    • Primary Function: High-Strength Clamping:​ Engineered to firmly fasten heavy-duty panels, doors, or covers together​ with a 245N clamping force, preventing accidental opening under stress or vibration.
    • Padlock-Ready for Definitive Security:​ The integrated padlock hole​ allows the use of an external padlock to lock the latch in the closed position, adding a vital layer of physical security and access restriction.
    • Durable & Protective Construction:​ The combination of SPCC steel​ and Nickel Plating​ provides a cost-effective balance of high strength, good impact resistance, and corrosion protection for long service life.
    • Precision Engineered Design:​ Detailed technical drawings with exact dimensions (e.g., 74mm arm span, 4x Φ4.2mm mounting holes) ensure predictable performance and easy integration into product designs.

    Ideal Applications

    This heavy-duty, lockable latch is perfect for robust applications requiring both a strong mechanical hold and optional physical security:
    • Heavy-Duty Industrial Cabinets & Enclosures:​ For securely fastening and locking​ large doors on electrical control panels, server racks, and machinery housings.
    • Machinery Safety Guards & Access Hatches:​ Firmly securing protective guards, with the option to add a padlock for safety lockout/tagout (LOTO) procedures.
    • Secure Storage & Transport Cases:​ Providing a strong, lockable​ closure for heavy toolboxes, generator cases, ammunition crates, or sensitive equipment containers.
    • Outdoor Telecom & Utility Boxes:Locking​ robust field-deployed cabinets that house communication or power distribution equipment.
    Clamp with force, lock for security.​ The NRH R5103-75K delivers powerful mechanical fastening for heavy panels, plus the straightforward option to add a padlock for definitive access control and theft deterrence.

    Product production process, logistics and shipping, as well as OEM production

    nrh since 1996

    Product production process, logistics and shipping, as well as OEM production

    Product production process, logistics and shipping, as well as OEM production

Send Inquiry

Please Feel free to give your inquiry in the form below. We will reply you in 24 hours.
Contact Us Tel & WhatsApp & Wechat

+8618017975137

NRH Hardware on LinkedIn

Add

Room 1703-1704, Zhongji Mansion, 819 Yinxiang Road, Nanxiang Town, Jiading District, Shanghai, China

E-mail

nrh-gz@nrh.cn

Copyright @ 2026 NRH Box Hardware No:84463

Close