ZCR351AT-918 Alligator Yoke Riveters
“Alligator” Yoke Riveters
The ZCR351AT-918 Alligator Yoke Riveters are precision pneumatic squeeze riveting tools designed for structural riveting applications requiring extended reach, throat clearance, and precise force control. Featuring an Alligator-style yoke configuration, these riveters provide enhanced access around flanges, edges, and offset structures where standard C-yoke tools may be limited. Engineered for demanding production and maintenance environments, the ZCR351AT-918 delivers smooth and controlled squeeze action with stable pneumatic force. Its reinforced yoke structure minimizes deflection, ensuring consistent rivet forming quality and precise alignment across repetitive riveting operations.
Key Features
Alligator-style yoke design for extended reach and edge access
Pneumatic squeeze mechanism for controlled rivet forming
High-rigidity yoke structure for accurate alignment
Stable and repeatable squeezing force output
Smooth trigger response for precise control
Durable industrial-grade construction
Interchangeable yoke capability for application flexibility
Balanced design for improved handling
Consistent performance in repetitive riveting tasks
Suitable for structural and precision riveting applications
Applications
The ZCR351AT-918 Alligator Yoke Riveters are ideal for
Aerospace structural assembly
Aircraft skin, rib, and frame riveting
Automotive and transportation body assembly
Sheet metal and structural fabrication
Railcar and heavy vehicle manufacturing
Maintenance and repair operations requiring deep reach access
Performance Advantages
Extended Reach Capability
Alligator yoke design allows access around flanges and deep structures
Precision Rivet Formation
Controlled squeeze force produces uniform rivet heads
High Repeatability
Consistent pneumatic output supports reliable production quality
Operator Control
Smooth actuation improves placement accuracy
Industrial Durability
Built for continuous-duty environments
Reduced Rework
Accurate alignment minimizes rivet deformation and defects
Technical Highlights
Tool Type
Pneumatic squeeze riveter with Alligator yokeDrive System
Air-powered squeezing mechanismYoke Style
Alligator extended-reach configurationOperation Mode
Manual trigger controlConstruction
High-strength industrial-grade materialsApplication Focus
Structural and close-access rivetingMaintenance
Low maintenance design with long service intervals
Why Choose ZCR351AT-918 Alligator Yoke Riveters
The ZCR351AT-918 Alligator Yoke Riveters are designed for professionals who require extended access, precision, and structural reliability in riveting applications. The Alligator yoke configuration enables effective riveting around edges and structural offsets, making it ideal for aerospace and transportation assembly. With rigid construction and stable squeezing performance, this tool supports high-quality riveting, improved workflow efficiency, and dependable long-term operation in demanding production environments.
Features:
- Designed for one-person operation to increase productivity, replacing costly two-person riveting. Used in high-volume riveting applications.
- Capable of accurately squeezing a large variety of solid, tubular, and semi-tubular rivets in aircraft, truck, bus, boat, toy, and automotive component applications.
- A tandem cylinder doubles the compressive force of the standard tool, allowing the operator to upset larger-size rivets and rivets made of stronger materials.
- All models: regulated backhead and short stroke adjustment; CR-1 rivet shank holes. Model 351FCT08 air-operated foot pedal control available.
Specification:
- Rivet Capacity Diameter: 3/16(4.8) Alum
- Rivet Capacity Diameter: 5/32(4) Steel
- Standard Yoke Dimensions Reach: 9-1/8(231.8)
- Standard Yoke Dimensions Gap: 2-3/16(55.6)
- Standard Yoke Closed Height: 3/4(19)
- Max Force: 6000(26.7)
- Set Holder Max Travel: 1-11/16(42.9)
- Overall Length: 30(762) inch(mm)
- Weight With Yoke: 29(13.15) lbs(kgs)
- Shank Dia.: 0.187″
- Inlet Thread: 1/4″
- Rec’d Hose: 3/8″
- Air Cons.: 5.5 cf per stroke
Compression Riveters, “Alligator” Yoke
| Model | Rivet Capacity Diameter | Standard Yoke Dimensions Reach | Standard Yoke Dimensions Gap | Standard Yoke Closed Height | Max Force lb(kN) | Set Holder Max Travel | Overall Length inch(mm) | Weight With Yoke lbs(kgs) | |
| Alum | Steel | ||||||||
| ZCR351A-278 | 5/32(4) | 1/8(3.2) | 2-7/8(73) | 1-5/8(41.2) | 7/8(22) | 5200(23.13) | 5/8(15.9) | 19.5(495) | 15.75(7.14) |
| ZCR351A-5 | 1/8(3.2) | 3/32(2.4) | 5(127) | 1-5/8(41.2) | 7/8(22) | 3400(15.12) | 1-3/8(35) | 21.63(549) | 19.75(8.96) |
| ZCR351A-7 | 1/8(3.2) | 3/32(2.4) | 7(177.8) | 2(50.8) | 1-1/2(38) | 3000(13.35) | 1-11/16(42.9) | 23.63(600) | 24.25(11) |
| ZCR351A-918 | 1/8(3.2) | 3/32(2.4) | 9-1/8(231.8) | 2-3/16(55.6) | 3/4(19) | 3000(13.35) | 1-11/16(42.9) | 25.75(654) | 26.25(11.91) |
Tandem Compression Riveters, “Alligator” Yoke
| Model | Rivet Capacity Diameter | Standard Yoke Dimensions Reach | Standard Yoke Dimensions Gap | Standard Yoke Closed Height | Max Force lb(kN) | Set Holder Max Travel | Overall Length inch(mm) | Weight With Yoke lbs(kgs) | |
| Alum | Steel | ||||||||
| ZCR351AT-278 | 1/4(6.4) | 3/16(4.8) | 2-7/8(73) | 1-5/8(41.2) | 7/8(22) | 10400(46.26) | 5/8(15.9) | 23.75(603) | 18.5(8.39) |
| ZCR351AT-5 | 3/16(4.8) | 5/32(4) | 5(127) | 1-5/8(41.2) | 7/8(22) | 6800(30.25) | 1-3/8(35) | 25.88(657) | 22.5(10.21) |
| ZCR351AT-7 | 3/16(4.8) | 5/32(4) | 7(177.8) | 2(50.8) | 1-1/2(38) | 6000(26.7) | 1-11/16(42.9) | 27.88(708) | 27(12.25) |
| ZCR351AT-918 | 3/16(4.8) | 5/32(4) | 9-1/8(231.8) | 2-3/16(55.6) | 3/4(19) | 6000(26.7) | 1-11/16(42.9) | 30(762) | 29(13.15) |



