
The American Weldquip 64-8211T Power Pin is a critical component designed to interface Lightning series MIG guns with wire feeders utilizing a Tweco #4 style connection. In the world of industrial welding, the integrity of the connection between the power source/feeder and the torch is paramount. This power pin serves as the bridge, conducting high-amperage welding current, shielding gas, and the welding wire itself from the machine to the gun cable. Manufactured to precise tolerances, this pin ensures that there is minimal electrical resistance at the connection point, which is essential for maintaining a stable arc and preventing overheating at the feeder interface.
Constructed from a high-grade brass alloy, the 64-8211T offers superior electrical conductivity and mechanical durability. The brass material is resistant to corrosion and deformation, ensuring that the pin maintains a tight fit even after repeated connections and disconnections. The pin features precision-machined threads that screw securely into the rear block of Lightning MIG guns, creating a gas-tight seal that prevents shielding gas leaks—a common cause of porosity in welds. Additionally, the pin comes equipped with high-quality O-rings that further seal the gas passage when inserted into the feeder's power block.
This specific model is engineered for the "Tweco #4" standard, which is one of the most widely used connection types in the North American welding industry. This allows fabricators to utilize the ergonomic and durable Lightning MIG guns on a vast array of power sources and feeders that are set up for Tweco-style torches. Whether you are replacing a worn-out pin or converting a gun to fit a different machine, the 64-8211T provides a reliable, OEM-quality solution. Proper maintenance of this component, including regular inspection of the O-rings and contact surfaces, will prolong the life of both the gun and the wire feeder.
Key Technical Specifications:
| Additional Information |
|---|
| Packaging Description:1 per each |
| Item:n/a, Powerpin |
| Back End:Tweco |
| Fits Which Model:Lightning |
| Product Type:MIG Gun Power Pin |
| Connection Type:Tweco #4 |
| Material:Brass Alloy |
| Compatible Brand/Model:Lightning MIG Guns |
| ----- new values below ---- |
| Product Type:MIG Gun Power Pin |
| Connection Type:Tweco #4 |
| Material:Brass Alloy |
| Compatible Brand/Model:Lightning MIG Guns |
| Item:Powerpin |
| Brand:American Weldquip, Lightning |
| Back End:Tweco |
| Fits Which Model:Lightning |