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Truweld TWE SC3400

Truweld TWE SC3400 Stud Welder

Top Features

  • Heavy-Duty Stud Welder
  • Weld Range: 1/4” to 1 1/4” Diameter
  • Powerful Output for Even the Largest Diameter Jobs
  • Processes: Stud Welding

The SC3400 is a fully integrated stud welding system with two digital controls for time and current. The system was designed to meet the most challenging stud welding jobs to include weld thru-deck applications (also includes G90 decking).

Product Details


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
Input Voltage: 230/460/575 VAC 3 Phase 60Hz
Weight: 750 lb (341 kg)
Dimensions: H:28" (736.6 mm) W:29" (711.2mm) D:36" (914.4mm)


Stud Welding

Additional Features

The SC3400 comes complete with 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 with heavy duty ground clamp.


  • Smooth arc curve allows for the wide range 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

Options, Accessories and Related Equipment

Truweld TWE SC3400

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Airgas, an Air Liquide company, is the nation's leading single-source supplier of gases, welding and safety products. Known locally nationwide, our distribution network serves more than one million customers of all sizes with a broad offering of top-quality products and unmatched expertise.