ZT2021D-8 5/16 Inch Air Hydraulic Riveter with Digital Module
The ZT2021D-8 5/16 inch Air Hydraulic Riveter with Digital Module is an advanced fastening solution that combines heavy-duty riveting power with intelligent digital monitoring. Built for modern production environments, this tool delivers secure rivet setting for large diameter fasteners while providing real-time operational data for process control, quality assurance, and preventive maintenance. It is engineered for manufacturers who require both robust performance and digital traceability to support Industry 4.0 initiatives.
Features
High power air hydraulic drive for strong and reliable riveting of 5/16 inch rivets
Built-in digital module for cycle counting, performance tracking, and tool usage monitoring
Lightweight but durable body construction designed to withstand continuous industrial use
Ergonomic grip and balanced design for reduced operator fatigue during extended operation
Quick mandrel ejection system to streamline workflow and minimize downtime
Low air consumption system for efficient energy use without sacrificing power
Easy access maintenance points for longer service life and minimal interruptions
Applications
The ZT2021D-8 is suited for industries where strength, precision, and process control are critical, including.
Truck and trailer manufacturing
Automotive body and chassis assembly
Aerospace structural fastening and maintenance
Steel construction and heavy equipment assembly
Industrial fabrication requiring traceable fastening operations
Performance Advantages
Strength and Reliability: Air hydraulic mechanism provides consistent pulling force for secure rivet installation across steel, aluminum, and stainless steel applications
Digital Intelligence: Integrated monitoring records work cycles and tool usage data to support predictive maintenance and ensure quality traceability
Productivity: Faster cycle times and automatic mandrel ejection improve production efficiency in high-volume operations
Operator Comfort: Balanced lightweight design reduces strain and increases work efficiency during long shifts
Cost Efficiency: Digital monitoring reduces unexpected downtime, while robust construction lowers overall tool replacement and service costs
Why Choose ZT2021D-8
The ZT2021D-8 5/16-inch Air Hydraulic Riveter with Digital Module is more than just a fastening tool — it is a smart production asset. By combining hydraulic riveting strength with digital data monitoring, it ensures consistent product quality while helping manufacturers meet the modern demands for traceability and efficiency. This makes it a reliable investment for companies moving toward smart manufacturing and Industry 4.0 standards.
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.
| Model | Traction Power lbf(kgf) | Stroke Length inch(mm) | Net Weight lbs(kgs) | Nosepieces Equipped inch(mm) | Max. Capacity |
| ZT0520 | 1100(500) | 51/64(20) | 3.8(1.7) | 3/32(2.4)1/8(3.2) 5/32(4.0) | Max. 5/32″(4.0mm) structural rivets in all materials |
| ZT0520D | 1100(500) | 51/64(20) | 3.8(1.7) | 3/32(2.4)1/8(3.2) 5/32(4.0) | Max. 5/32″(4.0mm) structural rivets in all materials |
| ZT0715 | 1500(700) | 19/32(15) | 3.8(1.7) | 3/32(2.4)1/8(3.2) 5/32(4.0)3/16(4.8) | Max. 3/16″(4.8mm) blind rivets in steel/steel |
| ZT0715D | 1500(700) | 19/32(15) | 3.8(1.7) | 3/32(2.4)1/8(3.2) 5/32(4.0)3/16(4.8) | Max. 3/16″(4.8mm) blind rivets in steel/steel |
| ZT0922 | 2000(920) | 7/8(22) | 4.2(1.9) | 5/32(4.0)3/16(4.8) Monobolt 3/16(4.8) | Max. 3/16″(4.8mm) structural rivets in all materials |
| ZT0922D | 2000(920) | 7/8(22) | 4.2(1.9) | 5/32(4.0)3/16(4.8) Monobolt 3/16(4.8) | Max. 3/16″(4.8mm) structural rivets in all materials |
| ZT1218 | 2523(1150) | 23/32(18) | 4.2(1.9) | 5/32(4.0)3/16(4.8) 1/4(6.4) | Max. 1/4″(6.4mm) blind rivets in steel/steel |
| ZT1218D | 2523(1150) | 23/32(18) | 4.2(1.9) | 5/32(4.0)3/16(4.8) 1/4(6.4) | Max. 1/4″(6.4mm) blind rivets in steel/steel |
| ZT1528 | 3300(1500) | 1-1/8(28) | 5.6(2.5) | 3/16(4.8)1/4(6.4) Monobolt 3/16(4.8)1/4(6.4) | Max. 1/4″(6.4mm) structural rivets in all materials |
| ZT1528D | 3300(1500) | 1-1/8(28) | 5.6(2.5) | 3/16(4.8)1/4(6.4) Monobolt 3/16(4.8)1/4(6.4) | Max. 1/4″(6.4mm) structural rivets in all materials |
| ZT1725 | 3700(1700) | 63/64(25) | 5.6(2.5) | 3/16(4.8)1/4(6.4) Monobolt 3/16(4.8)1/4(6.4) | Max. 1/4″(6.4mm) structural rivets in all materials |
| ZT1725D | 3700(1700) | 63/64(25) | 5.6(2.5) | 3/16(4.8)1/4(6.4) Monobolt 3/16(4.8)1/4(6.4) | Max. 1/4″(6.4mm) structural rivets in all materials |
| ZT2021 | 4400(2000) | 53/64(21) | 5.6(2.5) | 3/16(4.8)1/4(6.4) Monobolt 3/16(4.8)1/4(6.4) | Max. 1/4″(6.4mm) structural rivets in all materials |
| ZT2021D | 4400(2000) | 53/64(21) | 5.6(2.5) | 3/16(4.8)1/4(6.4) Monobolt 3/16(4.8)1/4(6.4) | Max. 1/4″(6.4mm) structural rivets in all materials |
| ZT2021-8 | 4400(2000) | 53/64(21) | 5.6(2.5) | 5/16(7.8) | Max. 5/16″(7.8mm) blind rivets in steel/steel |
| ZT2021D-8 | 4400(2000) | 53/64(21) | 5.6(2.5) | 5/16(7.8) | Max. 5/16″(7.8mm) blind rivets in steel/steel |
| ZT2318 | 5000(2300) | 23/32(18) | 5.6(2.5) | 3/16(4.8)1/4(6.4) Monobolt 3/16(4.8)1/4(6.4) | Max. 1/4″(6.4mm) structural rivets in all materials |
| ZT2318D | 5000(2300) | 23/32(18) | 5.6(2.5) | 3/16(4.8)1/4(6.4) Monobolt 3/16(4.8)1/4(6.4) | Max. 1/4″(6.4mm) structural rivets in all materials |
| ZT2318-8 | 5000(2300) | 23/32(18) | 5.6(2.5) | 5/16(7.8) | Max. 5/16″(7.8mm) structural rivets in all materials |
| ZT2318D-8 | 5000(2300) | 23/32(18) | 5.6(2.5) | 5/16(7.8) | Max. 5/16″(7.8mm) structural rivets in all materials |


