11601103 - Tweco 11-40 OEM Contact Tips for .040 Wire (1.0mm)

Genuine Tweco 11-40 Contact Tips for .040" Wire

Ensure optimal performance in your MIG welding operations with genuine Tweco OEM Contact Tips. The 11-40 model is specifically engineered for use with .040" (1.0mm) welding wire, a common size for light-to-medium fabrication tasks. As part of the widely used 11 Series, these contact tips are the industry standard for versatility and reliability, fitting a vast range of MIG guns including the classic Tweco #1, #2, #3, and #4 models, as well as the Spray Master and Mini-MIG series.

Manufactured from high-quality copper alloy, these tips offer excellent thermal conductivity and electrical transfer. This results in a stable arc, reduced spatter, and consistent weld bead profiles. The precision-drilled bore minimizes friction while maintaining good electrical contact, preventing the common issues of micro-arcing and premature burn-back inside the tip. Whether you are welding mild steel, stainless, or aluminum, using OEM consumables ensures that your equipment operates as designed.

The 11-40 tip features a standard 1/4"-28 UNF thread, making it easy to install into standard gas diffusers (such as the 35-50 or 51 series). Regular replacement of contact tips is essential for maintaining weld quality, and choosing genuine Tweco parts guarantees that tolerances are exact. These tips are ideal for professional fabricators looking to maintain high productivity and minimize downtime caused by feeding issues.

Key Features

• Precise Fit: Drilled specifically for .040" (1.0mm) wire to ensure smooth feeding.
• Broad Compatibility: Fits all Tweco 11-Series compatible MIG guns.
• Durable Material: Copper alloy construction withstands high heat and electrical current.
• OEM Reliability: Manufactured to strict tolerances for consistent performance.