
The CWI Welding Spool Gun for CST 251 is a high-performance accessory designed to expand the capabilities of your existing power source. Primarily utilized for aluminum welding applications, this spool gun addresses the inherent difficulties of feeding soft filler metals through standard MIG torch liners. By mounting a 4-inch (1lb or 2lb) spool directly onto the gun, the drive rolls are located only inches from the contact tip, providing a positive feed that prevents buckling and ensures a consistent deposition rate.
This model features a robust 3-meter cable assembly, offering a significant working radius that improves operational efficiency in garage and industrial settings. The gun is rated to handle the amperage output of the CST 251, ensuring it runs cool even during sustained use. The wire feed speed is typically controlled via the machine or a potentiometer on the gun (depending on specific machine configuration), allowing for fine-tuning at the workpiece. The construction utilizes high-quality impact-resistant polymers and copper alloy components to withstand the rigors of daily shop use.
Maintenance and consumable replacement are simplified with standard front-end parts. The nozzle, contact tip, and gas diffuser are easily accessible, minimizing downtime. For fabricators looking to weld aluminum, silicon bronze, or other soft alloys without investing in a push-pull system, this spool gun offers an economical and reliable alternative. It is an essential addition to any welder's toolkit who owns a CST 251 and requires versatility in material fabrication.
| Additional Information |
|---|
| Length:10 ft |
| Wire Type:Aluminum |
| Process:MIG (GMAW) |
| Item:Spool Gun |
| Cable Length Metric:3 Meters |
| Compatible Model:CST 251 |
| Spool Capacity:1 lb, 2 lb |
| Application:Aluminum Welding |
| Packaging Description:1 of each |
| Brand:N/A |
| Amperage:200 |
| Front End:n/a |
| Back End:n/a |