TW4300: 1/2″ Single Gun Stud Welding System

The TW4300 is a fully integrated stud welding system for ferrule-shielded and gas-shielded drawn arc stud welding processes. The TW4300 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 1/2″ 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

TW4300 Manual

TWE 19000 Light Duty Stud Gun

TW4300 Fyler



  • TW4300 Power supply, TWE19000 Light-Duty stud gun, 25 feet of #1AWG combo cable and 15 feet of #1AWG ground cable with clamp

TW4300 Specifications

Height 12.6” (320mm)
Width 11” (280mm)
Length 22.4" (570mm)
106 Lbs (48Kg)
Weld Range:
1/8" to 1/2" diameter
Duty Cycle:
1/8” through 1/4" - unlimited
3/8" - 5 to 6 per minute
1/2" - 2 to 3 per minute
Input Voltage:
230 / 460 VAC 3 Phase 60Hz
Fusing Requirement:
(slow acting) 230/50 Amps
460/25 Amps