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Proweld CD-312 Stud Welder

Nelson Stud Welder - Proweld CD-312

Top Features

  • #2 to 5/16" Stud Welding Capacity
  • Designed and built in the U.S.A. by Nelson Fastening Systems
  • Recessed Control Panel
  • Safety Fault Shut Down
  • Processes: Stud Welding

The CD-312 is a state-of-the-art solid state capacitor discharge stud/pin welder. Its rugged design and user friendly controls makes it simple to set up and use. The extremely short weld time of the capacitor discharge process allows studs to be welded to material as thin as .015" without burn-through. The unit is capable of welding mild steel, stainless and aluminum studs.

Product Details


Mode: Contact/Gap (Optional)
Weld Rate: 24 studs per minute
Capacitance: 88,000 MDF
Input Power: 110 VAC, 20 A
Voltage Range: 45 - 185 VDC
Weight: 47 lb (21.3 kg)
Dimensions: H: 8.5" (216 mm) W: 10" (254 mm) D: 16.5" (419 mm)


Stud Welding

Additional Features

Designed and built in U.S.A. by Nelson Constant current output Single or dual stud gun systems Independent stud gun controls Precise welding time and welding current adjustments FEATURES: Digital display of actual weld time and weld current Diagnostic L.E.D.’s State of the art stud gun control circuitry Built in chuck saver Automatic safety shutdown

Options, Accessories and Related Equipment

Proweld CD-312 Stud Welder

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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.