StudPro 3125xi (5/16″ max stud dia.)

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Incorporates the latest solid state technology into a compact and rugged capacitor discharge stud welder. This system has the capability to weld studs and pins ranging from 14ga. through 5/16 ” full flanged stainless steel stud. Great for Mild Steel, Stainless Steel, and Aluminum.

Free Standard Shipping in the continental US

Includes: (5) Collets and 250 Studs

Flanged Mild Steel Capacitor Discharge Studs-50 pcs of each size:

6-32 x 1/2    8-32 x 3/4      10-32 x 3/4       1/4-20 x 1      5/16-18 x 1

  • Size: 18-3/4" length, 8" width, 9" height
  • Weight: 29 lbs
  • Weld Range: 14 ga. through 5/16"
  • Duty Cycle: 30 studs per minute
  • Primary Power: 110 VAC
  • Charge Voltage: 35-200 VDC
  • Cable Length: Includes a #4 x 25' gun cable and (2) pcs #4 x 15 ground cable
SKU: EQ Studpro 3125 Category:


Welding range #14 GA to 5/16 (M2 to M8)

  • NEW FEATURE Intuitive Touchscreen Interface with Preset values for fast, accurate, and repeatable weld settings
  • NEW FEATURE Set-Point Discharge: Unit discharges directly to a new set point without needing to discharge completely
  • NEW FEATURE Universal Input Voltage: Plug and play, no need to re-tap the machine for 110V or 220V input voltages
  • NEW FEATURE Low input voltage capability enables operation with long extension cords
  • NEW FEATURE Contact and Trigger Indicators for fast troubleshooting of hand tool and weld cable maintenance issues
  • NEW FEATURE Thermal and Voltage protection indicators to protect the unit from damage due to overheating or poor
  • Welding material: Mild Steel, Stainless, Aluminum
  • Solid state technology
  • Welding occurs in milliseconds
  • 2 year warranty
  • StudPro 3125XI Spec Sheet
  • StudPro Line
  • StudPro XI LINE Manual

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