TW6900: 1-1/4″ Single Gun Stud Welding System

The TW6900 stud welder is a fully integrated 3000A single-gun stud welding system with digital controls for time and current. The system was designed to meet the most challenging stud welding jobs.

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

TW6900 Manual

TWE 17000 Heavy Duty Stud Gun

TW6900 Flyer




  • 3000 amp power supply, TWE17000 Heavy Duty stud gun, 50 feet of 4/0 weld and control cable and 25 feet of 4/0 ground cable w/ HD clamp

TW6900 Specifications

Height 28” (736.6mm)
Width 29” (711.2mm)
Length 36” (914.4mm)
760 Lbs (345Kg)
Weld Range:
1/4” to 1-1/4” diameter
Duty Cycle:
1/4” through 5/8" - unlimited
3/4" - 22 to 24 per minute
7/8” - 16 to 18 per minute
1” - 12 to 14 per minute
1-1/4” - 4 to 5 per minute

* Smooth arc curve allows for the wide rage of welding.
* Enhanced duty cycle for production requirements.
* Powerful output for even the largest diameter jobs.
* Stepless time and current control allow for infinite settings for fine tuning the welding output. *
* Safety welding interlock
* Keeps system from double triggering and saves on chuck wear.
* Stud Job counter which can be reset per job.
Input Voltage:
230 / 460 / 575 VAC 3 Phase 60Hz
Fusing Requirement:
(slow acting)
230/200 Amps
460/100 Amps
575/90 Amps