Tweco 1140-1125 Flux Core Contact Tip 0.045 Inch

Product Description

The TWECO 1140-1125 is a flux core contact tip designed for MIG and flux core welding applications. The contact tip guides the welding wire through the gun and transfers current to the wire at the point of contact, directly affecting arc stability and weld quality. Built for 0.045 inch diameter wire, this tip is a consumable component that sees regular replacement during production welding. Welding technicians and fabricators install these tips as part of routine gun maintenance to maintain consistent wire feeding and current transfer.

This contact tip is suited for flux core arc welding (FCAW) processes where 0.045 inch wire is used. Typical installations include structural fabrication, heavy equipment repair, and manufacturing environments where flux core wire is the preferred process. The tip installs directly into compatible TWECO MIG gun consumable assemblies and is sold individually, making it practical for technicians who stock replacements on the job site or in the shop.

Key Features

• Designed for 0.045 inch flux core welding wire
• Compact dimensions: approximately 0.3 x 0.3 x 1.1 inches
• Lightweight at 0.02 pounds for easy handling and quick swaps
• Single-unit packaging for flexible stocking and field replacement
• TWECO OEM consumable for use in compatible flux core gun assemblies

Compatibility

Designed as an OEM-style TWECO flux core contact tip for use with compatible TWECO MIG gun assemblies requiring a 0.045 inch tip. Refer to your gun assembly documentation to confirm correct tip thread and shank configuration before ordering.

Installation Notes

Contact tips are installed and replaced by welders and welding equipment technicians as a standard consumable task. Always shut off the welding power source and allow the gun to cool before removing or installing a contact tip. Use the appropriate tip wrench or pliers to avoid damaging the tip threads or the diffuser. Inspect the contact bore for wear or elongation during each replacement to determine if the diffuser or nozzle also requires service.

Technical Specifications

• Type: Flux Core Contact Tip
• Wire Size: 0.045 inches
• Length: 1.1 inches
• Width: 0.3 inches
• Depth: 0.3 inches
• Weight: 0.02 pounds
• Unit of Measure: Each

Standard Information

• Brand: TWECO
• Manufacturer Part Number: 1140-1125