ZT2021-8 5/16 inch Air Hydraulic Riveter

The ZT2021-8 5/16 inch Air Hydraulic Riveter is a heavy-duty pneumatic fastening tool designed for industrial applications that demand strength, speed, and reliability. Engineered with a powerful hydraulic drive system, it delivers a consistent pulling force for large-diameter rivets while maintaining operator comfort through its balanced, lightweight design. Built for continuous use in production environments, this riveter ensures secure fastening and long service life, making it a trusted choice for professional assembly lines.

Features

• High-power air hydraulic system for installing 5/16 inch rivets with a strong and stable force

• Robust aluminum body designed for durability under demanding work conditions

• Ergonomic handle and balanced weight distribution for reduced operator fatigue

• Fast cycle time with an efficient mandrel ejection system to maximize workflow efficiency

• Simple maintenance design with durable internal components for extended tool life

• Low air consumption while maintaining reliable performance for energy savings

Applications

The ZT2021-8 Air Hydraulic Riveter is widely used in

• Heavy truck and trailer production

• Automotive body and chassis assembly

• Aerospace and light structural fastening

• Steel construction and building maintenance

• Industrial fabrication lines requiring repetitive and secure riveting

Performance Advantages

• High Strength Riveting: Provides consistent fastening power for large rivets across steel, aluminum, and stainless steel materials

• Enhanced Productivity: Quick cycle time and mandrel ejection improve assembly speed and reduce downtime

• Operator Comfort: Ergonomic grip and lightweight construction minimize hand strain, increasing daily throughput

• Durability: Built with heavy-duty internal parts to withstand continuous use in harsh industrial settings

• Cost Efficiency: Long service life and low maintenance requirements reduce the overall cost of ownership

Why Choose ZT2021-8

The ZT2021-8 5/16 inch Air Hydraulic Riveter is the reliable standard model for manufacturers seeking a balance of power, efficiency, and long-term durability. It offers high-strength riveting performance without unnecessary complexity, making it an ideal solution for workshops, assembly lines, and factories handling large-scale fastening tasks.

Features

• Features with the most advanced patented digital module to enable operators to know the rivet tool setting capacity instantly under various air supply conditions and the rivet setting cycles performed during their working period.
• It will also remind operators when to do service or maintenance to the tool at the proper intervals.
• It will help to cease the controversy about the warranty issue, especially if the tool has been misused or abused with abnormally high air pressure, which exceeds the design specification.
• 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.
• Easy-to-adjust head and nut designed for obtaining the most effective stroke.
• Ergonomic texture-coated composite housing for the operator’s comfort.
• The swivel air inlet design enhances maneuverability.

• Aluminum Alloy Forged Hydraulic Section
• Collection Bottle
• Air Actuating Module
• Composite Clam Shell Housing
• AAA Battery Port
• LCD Module
• USB Port
• Vacuum ON/OFF Switch
• Spare Nose Pieces Port

Specification:

• Traction Power: 4400(2000) Ibf(kgf)
• Stroke Length: 21 mm
• Net Weight: 5.6(2.5) 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: 5/16(7.8) inch(mm)
• Max. 5/16″(7.8mm) blind rivets in steel/steel

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.