.035 TWECO CONTACT - Lincoln Electric

The Lincoln Electric KH712 .035 TWECO CONTACT is a crucial consumable designed for professional MIG and flux-cored welding applications. These contact tips are manufactured by Lincoln Electric, a leading name in welding equipment, and are engineered to deliver consistent performance and durability in demanding industrial and automotive environments. They are specifically sized for .035 inch welding wire, ensuring optimal electrical contact and arc stability.

Key Features

• Premium Copper Construction: Crafted from high-quality copper alloy, these contact tips provide excellent electrical conductivity and efficient heat dissipation, which are vital for a stable arc and reduced spatter.
• Optimized for .035" Wire: Precisely machined to a .035 inch inside diameter, guaranteeing proper wire feeding and electrical transfer for both solid and flux-cored welding wires.
• Extended Service Life: Engineered for durability, the robust construction helps to reduce the frequency of tip changes, enhancing productivity and lowering operational costs for professional technicians. Some heavy-duty versions even allow for rotation to extend life further.
• Broad Compatibility: These Tweco-style contact tips are compatible with most Lincoln Electric, Century, and Marquette welders, as well as specific Tweco MIG gun series such as Tweco No. 2, No. 3, and No. 4, and Lincoln Magnum 100L, 200, 300, and 400 air-cooled MIG guns.
• Easy Identification: Each contact tip is typically marked with its part number and wire diameter for straightforward identification and proper matching to your welding setup.

Applications

The Lincoln Electric KH712 .035 TWECO CONTACT tips are essential for a wide array of professional welding tasks. They are ideal for use in automotive repair and fabrication, where precise control and consistent welds are critical for chassis work, exhaust systems, and body panel applications. In industrial settings, these contact tips are well-suited for manufacturing, construction, and general maintenance and repair operations involving steel, aluminum, and other metals. Their heavy-duty design allows them to perform reliably in various welding processes, including MIG and flux-cored welding, making them a versatile choice for professional welders requiring high precision and strength in heavy-duty welding applications up to 400A. Regular replacement of worn tips is recommended to maintain optimal electrical contact and arc characteristics.