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TW4400 Drawn ARC Stud Welder – 5/8″ Max Stud Diameter


The TW4400 is a fully integrated stud welding system for ferrule-shielded and gas-shielded drawn arc stud welding processes. The TW4400 contains digital controls for weld time, weld current, and gas purge time. The system was designed to be an ideal fit for shop use, weld up to 5/8″ diameter threaded studs.  This is all contained in a compact, portable package.

NEW  PRO-TECH’D technology protects the gun circuitry

NEW  Improved user interface for more intuitive setup

NEW  Factory presets and user customizable presets

NEW  Improved weld control


TW4400 Manual

TW4400 Fyler



  • TW4400 Power supply, TWE19000 Light-Duty stud gun, 25 feet of #1AWG combo cable and 15 feet of #1AWG ground cable with clamp


TW4400 Specifications

Height 12.6” (320mm)
Width 11” (280mm)
Length 22.4″ (570mm)
126 lbs (57 Kg)
Weld Range:
1/8″ to 5/8″ diameter
Duty Cycle:
1/8” through 1/4″ – unlimited
3/8″ – 7 to 8 per minute
1/2″ – 4 to 5 per minute
5/8″ – 2 to 3 per minute
Input Voltage:
230 / 460 VAC 3 Phase 60Hz
Fusing Requirement:
(slow acting) 230/50 Amps
460/25 Amps
Additional Information
Weight 220 lbs