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The ESAB Tweco 1610-1105 (61SFLX4-80) is a heavy-duty Knucklehead flexible conductor tube designed for MIG welding guns. It utilizes a patent-pending mechanical joint system that allows for adjustable positioning to access difficult weld joints while maintaining electrical and structural integrity between the gun handle and the consumable front-end.
Features
Knucklehead flexible design for adjustable neck angles
Patent-pending mechanical connection engineered for 50 times longer service life than standard flexible designs
Four-connector assembly providing a maximum 80-degree bend radius
Engineered to minimize wire feeding restrictions during bending
Provides consistent angle and firm feel comparable to rigid conductor tubes
Heat-resistant insulating jacket prevents electrical shorts upon workpiece contact
Precision-machined internal bore for standard liner compatibility
Mechanical joint design reduces welder fatigue and improves ergonomics
Specifications
Manufacturer: ESAB / Tweco
Part Number: 1610-1105
Industry Reference: 61SFLX4-80 / 61-80
Bend Angle: 80 Degrees (Maximum)
Connector Configuration: 4-connector design
Incremental Bend: Approximately 20° per connector
Amperage Rating: 180-200 Amps
Duty Cycle: 60% on CO2
Maximum Amperage Capacity: Up to 250A (when used with No. 1 series components)
Cooling Method: Air Cooled
Material: High-conductivity Copper Alloy and Brass
Insulation: Thermoflex heat-resistant material
Compatible MIG Guns: Tweco Classic No. 1 Series, Tweco Spray Master 250, Tweco Eliminator Series, Tweco Standard WeldSkill Series
Compatible Consumables: Standard Tweco No. 1 series diffusers, nozzles, and contact tips
Connection Type: Threaded or set-screw handle connection
Packaging: 1 per pack
Applications
General MIG welding fabrication
Automotive repair and restoration
Light to medium industrial manufacturing
Maintenance and Repair Operations (MRO)
Vocational training and educational centers
Welding in confined spaces or restricted access joints
