11101344 - Tweco WS11T-45 Contact Tip .045 (Pack of 25)

Tweco 1110-1344: Precision 11 Series Contact Tips

The Tweco 1110-1344 (Model WS11T-45) represents the industry standard for 11 Series MIG contact tips, specifically machined for 0.045-inch (1.2mm) wire diameters. As part of the Tweco WeldSkill line, these consumables are developed to provide professional-grade performance at a value-driven price point, making them a preferred choice for both industrial manufacturing and general maintenance applications. This package contains 25 contact tips, ensuring a robust inventory for high-volume welding stations.

Technical precision is the hallmark of Tweco consumables. The WS11T-45 features a concentric bore that minimizes friction while maximizing electrical contact area. This is crucial for maintaining a stable voltage at the arc, particularly when running 0.045" wires which often carry higher amperages than smaller diameters. The copper alloy construction is optimized for thermal management, rapidly dissipating the intense heat generated during the welding process to prolong the service life of the tip. The exterior geometry is designed to fit standard 11 Series nozzles and gas diffusers, maintaining proper gas coverage over the weld pool.

Key Technical Specifications:

• Bore Size: 0.045" (1.2mm) nominal clearance.
• Thread Type: 1/4"-28 UNF.
• Series: Tweco 11 Series (WeldSkill).
• Material: Copper alloy.
• Overall Length: Standard 11 Series length (approx. 1 inch).

Regular inspection of contact tips is vital for quality assurance. Signs of failure include wire stuttering, burnback (wire fusing to the tip), or visible deformation of the exit hole. The WS11T-45 is designed to resist the adhesion of spatter, though regular use of nozzle dip or anti-spatter spray is recommended to further extend life. This 25-pack offering provides an economical solution for shops looking to standardize their consumables without sacrificing the quality associated with the Tweco brand.