12101343 - Tweco WeldSkill WS21T37 Tapered MIG Nozzle (2-Pack)

Genuine Tweco WeldSkill Consumables for Industrial Applications

The Tweco 1210-1343 (Model WS21T37) is a high-performance MIG welding nozzle designed specifically for the WeldSkill series of MIG guns. Sold in a convenient package of two, these nozzles are essential consumables for fabrication shops and industrial maintenance teams that rely on Tweco's proven durability. The WS21T37 features a 3/8-inch (9.5 mm) bore, which provides a focused column of shielding gas, ensuring adequate coverage for the weld pool while minimizing gas wastage. This bore size is ideal for short-circuit MIG welding and general fabrication tasks where precision is required.

One of the defining characteristics of this nozzle is its tapered geometry. Unlike flush or cylindrical nozzles, the tapered tip significantly improves the operator's line of sight to the contact tip and the work surface. This is particularly advantageous when welding in confined spaces, corners, or complex joints where visibility is often compromised. By maintaining a clear view of the arc, operators can ensure better seam tracking and higher quality welds.

Manufactured from a robust copper alloy, the 1210-1343 nozzle excels at thermal conductivity. Efficient heat dissipation is critical in preventing the nozzle from overheating during extended welding cycles, which in turn reduces the likelihood of spatter bridging the insulation. These nozzles are engineered to fit securely onto Tweco WeldSkill gas diffusers, ensuring a concentric gas flow and stable electrical insulation. For procurement managers and tool cribs, stocking genuine Tweco consumables like the WS21T37 ensures compatibility and performance consistency across all WeldSkill equipment.

Key Specifications:

• Part Number: 1210-1343
• Model: WS21T37
• Bore Diameter: 0.375" (3/8")
• Configuration: Tapered
• Package Quantity: 2