ZT1821VS 1/4 Inch Composite Air Hydraulic Riveter
The ZT1821VS 1/4 inch Composite Air Hydraulic Riveter is a next-generation industrial fastening tool engineered for performance, durability, and user comfort. Designed with a lightweight composite body and a powerful air-hydraulic drive, this model combines superior pulling force with exceptional operator ergonomics. The composite housing provides excellent strength-to-weight balance and vibration damping, making it ideal for continuous operation in demanding production environments. Built for precision riveting with 1/4-inch rivets in aluminum, steel, and stainless steel, the ZT1821VS delivers consistent power, fast cycle times, and long service life — all while reducing air consumption and operator fatigue. It is the perfect combination of strength, speed, and comfort for modern manufacturing and assembly operations.
Key Features
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High-Power Air-Hydraulic System – Provides strong, stable pulling force for 1/4-inch rivets, ensuring tight and uniform fastenings.
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Lightweight Composite Housing – Reinforced fiber-composite body reduces overall weight, absorbs vibration, and increases durability against impacts.
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Ergonomic Design – A balanced structure and non-slip grip minimize strain during extended working hours, enhancing operator comfort and control.
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Variable Speed Trigger (VS) – Enables the operator to precisely control pulling speed, ensuring accuracy and preventing material deformation.
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Quick Cycle Operation – Fast riveting and automatic mandrel ejection enhance workflow efficiency and productivity.
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Energy Efficient – Optimized pneumatic design reduces air consumption without compromising power output.
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Easy Maintenance – The modular internal structure simplifies servicing, cleaning, and seal replacement, ensuring extended tool life.
Applications
The ZT1821VS Air Hydraulic Riveter is widely used in medium to heavy-duty assembly and maintenance industries, including:
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Automotive manufacturing and repair (body, chassis, and frame assembly)
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Truck, trailer, and bus fabrication
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Aerospace structural assembly and maintenance
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Steel and metal construction
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Industrial and agricultural equipment manufacturing
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General production lines requiring strong, repeatable riveting performance
Performance Advantages
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Precision Control – Variable speed trigger allows smooth, controlled riveting for delicate or multi-layer joints.
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Operator Comfort – Lightweight composite housing and balanced grip reduce fatigue during prolonged operation.
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Superior Durability – Reinforced materials offer high impact resistance and extended service life in industrial applications.
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Consistent Strength – The hydraulic system ensures a uniform clamping force, improving joint reliability and product quality.
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High Productivity – Rapid cycle times and efficient mandrel disposal minimize downtime, maximizing output.
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Low Cost of Ownership – Reduced air consumption and simplified maintenance lower long-term operational costs.
Technical Benefits
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Designed for 1/4-inch blind rivets in aluminum, steel, and stainless steel.
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Composite body reduces vibration transfer, enhancing precision and operator safety.
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Delivers consistent, riveting performance for both manual and semi-automated applications.
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Ideal for repetitive production line use where reliability and lightweight handling are critical.
Why Choose ZT1821VS
The ZT1821VS 1/4 inch Composite Air Hydraulic Riveter redefines performance and comfort in industrial riveting. Its advanced composite structure reduces tool weight without sacrificing power, while the variable speed control enhances precision across a wide range of materials and applications. Combining energy efficiency, strength, and ergonomic design, the ZT1821VS is the professional’s choice for high-volume production, automotive, and structural assembly operations. This model embodies ZIPPTOOL’s ongoing commitment to producing lightweight, powerful, and operator-friendly tools for the modern manufacturing world.
Features
- Built with patented “Module units assembled in composite clam shell housing” for the ease of tool service.
- Patented “Broken mandrel vacuum collection system” for the cleanliness and safety of the work area.
- Forged and heat-treated aluminum alloy made Hydraulic Section for the best rigidity.
- A stainless steel-made Air Cylinder for the best rigidity and durability of the tool.
- Easy-to-adjust head and nut designed for obtaining the most effective stroke.
- Ergonomic texture-coated composite housing for the operator’s comfort.
- Equipped with a safety valve to avoid damage due to overpressure.
- Swivel air inlet design for the maneuverability of work.
- The lightest model among compatible designs.

- Aluminum Alloy Forged Hydraulic Section
- Composite Clam Shell Housing
- Broken Mandrel Vacuum Collection System
- Air Actuating Module
- Air Hose
- Air Inlet Module
- Stainless Steel-made Air Cylinder
- Spare Nose Pieces Port
Specification:
- Traction Power: 4013(1800) Ibf(kgf)
- Stroke Length: 13/16(21) inch(mm)
- Net Weight: 5.1(2.3) lbs(kgs)
- Operating Air Pressure: 90(6.2) PSI(bar)
- Air inlet Size: 1/4 Inch-NPT/PT
- Min. Hose Size: 3/8(10) Inch(mm)
- Nosepieces Equipped: 3/16(4.8)1/4(6.4) Inch(mm)
DO NOT apply air pressure over 110 psi / 7.5 bar to these tools.
*Please refer to the blind rivet specification to ensure the tensile strength is lower than the traction power of the model you select.
| Model | Traction Power lbf(kgf) |
Stroke Length inch(mm) |
Net Weight lbs(kgs) |
Operating Air Pressure psi(bar) |
Air Inlet Size inch-NPT/PT |
Min. Hose Size inch(mm) |
Nosepieces Equipped inch(mm) |
| ZT0919VS | 1980(900) | 3/4(19) | 3.3(1.5) | 90(6.2) | 1/4 | 3/8(10) | 3/32(2.4)1/8(3.2) 5/32(4.0)3/16(4.8) |
| ZT1821VS | 4013(1800) | 13/16(21) | 5.1(2.3) | 90(6.2) | 1/4 | 3/8(10) | 3/16(4.8)1/4(6.4) |




