ZT4125S 3/8-inch Split type Pneudraulic Lock bolt / Huck Bolt Installation tool
The ZT4125S 3/8-inch Split Type Pneudraulic Lock bolt / Huck Bolt Installation Tool is an advanced, high-performance tool designed to install 3/8-inch fasteners. It combines the benefits of pneumatic and hydraulic power to deliver exceptional force and precision. This split-type installation tool is ideal for industrial applications requiring larger fasteners, offering the flexibility of a separate hydraulic unit and a handheld tool for excellent maneuverability in tight or hard-to-reach areas.
Key Features and Benefits
- Pneudraulic Power: The ZT4125S combines pneumatic and hydraulic systems, providing high installation force with less effort. This hybrid system ensures smooth operation and precise fastening in heavy-duty industrial environments.
- 3/8-inch Fastener Capability: Designed to install 3/8-inch fasteners, the tool is ideal for securing larger components in industrial and construction applications. It offers strong and durable fastening solutions.
- Split Type Design: The tool’s split-type design separates the hydraulic unit from the handheld installation tool, providing greater flexibility and reducing the weight the operator must handle. This design is handy in confined spaces or when working in awkward positions.
- Durable Construction: Built with high-quality materials, the ZT4125S is engineered for durability and long service life, even in demanding environments. Its robust construction ensures reliable performance during continuous use.
- Ergonomic and Lightweight: Despite its heavy-duty capabilities, the tool features an ergonomic grip for comfortable use. The lightweight design of the handheld portion reduces operator fatigue, improving productivity in extended work sessions.
- High-Speed Operation: The tool’s pneumatic element provides fast cycling, making it ideal for production environments where speed and efficiency are essential. It ensures the quick installation of fasteners, minimizing downtime and increasing throughput.
- Easy Maintenance: The ZT4125S’s design prioritizes long-term reliability, so it requires minimal maintenance. Easy access to components ensures quick servicing, reducing downtime and keeping the tool in peak operating condition.
Applications
The ZT4125S 3/8-inch Split Type Pneudraulic Installation Tool is perfect for various demanding industrial applications:
- Automotive Manufacturing: Used for securing larger fasteners in automotive assembly lines, ensuring that parts such as frames and structural components are tightly fastened for durability and safety.
- Heavy Equipment Manufacturing: Ideal for assembly in heavy machinery and equipment, where robust fasteners are essential for structural integrity and long-term reliability.
- Aerospace Industry: The tool installs large fasteners into aircraft frames and components, providing secure, precise fastening in critical areas during aerospace manufacturing and maintenance.
- Construction and Infrastructure: Suitable for construction projects that require the installation of 3/8-inch fasteners in steel structures, bridges, and other infrastructure, ensuring solid and stable connections.
Why Choose the ZT4125S?
The ZT4125S 3/8-inch Split Type Pneudraulic Installation Tool delivers powerful performance and flexibility for industrial fastener installation. Its combination of pneumatic and hydraulic power provides both speed and precision, while the split-type design enhances maneuverability and reduces operator fatigue. Durable, reliable, and easy to maintain, the ZT4125S is the ideal tool for automotive, aerospace, construction, and heavy equipment manufacturing professionals who need a tool capable of handling large fasteners with ease and efficiency.
Features
- The lightweight pistol handle is easy to use and can reach inaccessible areas.
- They are designed to install a wide range of 3/8” blind fasteners, as well as Pin & Collar Fasteners.
- Low operating hydraulic pressure design for a more durable hydraulic sealing mechanism.
- Forged & heat-treated aluminum alloy made hydraulic section for the best rigidity.
- A portable intensifier instead of a high-cost hydraulic power unit.
- Custom designs are welcome.
- 3M length hydraulic hose set is included.
- The nose assembly needs to be purchased separately.
- ZT4125S capable to set 3/8″ C6L®, Magna-Grip®, Magna-Lok®, Avdelok®, Maxlok®, Monobolt® & Avtainer® fasteners.

Specification:
- Traction Power: 9039(4100) Ibf(kgf)
- Stroke Length: 63/64(25) inch(mm)
- Handle Net Weight: 3.86(1.75) Ibs(kgs)
- Nosepieces: need to purchase separately
- Max. Capacity: Max. 3/8″(9.5mm) lock bolt
C6L®, Magna-Grip®, and Magna-Lok® are the registered trademarks of Alcoa Fastening System & Rings. Avdelok®, Maxlok®, Monobolt® & Avtainer® are the registered trademarks of Stanley Engineered Fastening.



