Skip to Main Content

907722 - Miller Thunderbolt 210 DC Inverter Stick Welder

Packaging: 1 of each
$1,667.52/ea $1,495.00/1 of each only $1,495.00/eaSave 10%

Usually ships within 3-5 business days

OVERVIEW

Revolutionary Portability with the Miller Thunderbolt 210

The Miller Thunderbolt 210 DC Stick Welder represents a massive leap forward in welding technology, specifically designed for those who need power without the burden of heavy equipment. Weighing in at a mere 15.5 pounds, this machine is nearly 100 pounds lighter than the leading competitive transformer-based stick welders. This incredible weight reduction means you can finally stop hauling heavy gear and start working smarter. Whether you are climbing ladders, moving around a large shipyard, or trekking across a farm, the Thunderbolt 210 is designed to be carried effortlessly with its included shoulder strap.

Despite its small footprint, this inverter-based power source does not compromise on performance. It delivers a best-in-class output of 210 Amps, which is significantly higher—up to 85 amps more—than comparable machines in its category. This extra power allows you to weld thicker materials with confidence, ensuring deep penetration and strong structural bonds. The unit runs on 240V single-phase power and includes a 6.5-foot power cord equipped with Miller's MVP™ plug, ensuring you can connect reliably in your shop or garage.

Reliability is key in the field, and the Thunderbolt 210 excels with its Hot Start™ technology. This feature provides easy, quick, and reliable arc starts, preventing the electrode from sticking to the workpiece and reducing frustration during ignition. Coupled with precise, infinite amperage control, operators can fine-tune the heat output to the exact requirements of the job, whether working on mild steel, stainless steel, or other alloys. This machine is the ideal solution for maintenance and repair professionals, DIY hobbyists, and farm/ranch operators looking for a dependable, go-anywhere stick welder.

Key Applications

  • Farm and Ranch: Perfect for repairing fences, gates, and heavy equipment in the field.
  • Maintenance and Repair: Ideal for on-site fixes where portability is essential.
  • Shipyard Installation: Lightweight design allows for easy navigation in tight or elevated spaces.
  • Garage and Hobby: Professional-grade power in a compact package for home fabrication.
Additional Information
Brand:Miller
Amperage:210
Voltage:208/230 V
Weld Process:Stick (SMAW)
Duty Cycle:20%
Packaging Description:1 Per Ea
Process Type:SMAW (Stick)
Power Source Type:Inverter
Output Current Type:DC
Amperage Range:25 - 210 A
Net Weight:15.5 lbs
Warranty:3 Years
Input Phase:Single Phase
Portability:Shoulder Strap, Handle

INCLUDED

  • Thunderbolt 210 DC Stick Power Source
  • 10 ft. (3 m) No. 4 electrode cable with heavy-duty electrode holder
  • 10 ft. (3 m) work cable with clamp
  • 6.5 ft. (2 m) power cord with MVP™ plug for 240V use
  • Cable pouch

APPLICATIONS

  • Garage and Job Shops
  • Farm and Ranch Maintenance
  • Field Maintenance and Repair
  • Light Production Line Work
  • Shipyard Installation and Repair
  • Vocational Training and Education

FAQ

The Miller Thunderbolt 210 operates on 240V single-phase power. It comes equipped with a 6.5 ft power cord and a plug designed for 240V use.

This welder is extremely portable, weighing only 15.5 pounds (approx. 7 kg), which is nearly 100 pounds lighter than many older transformer-style stick welders.

The machine provides a maximum output of 210 Amps, allowing you to weld thicker materials compared to 160A or 180A class machines.

The Thunderbolt 210 is designed primarily as a DC Stick (SMAW) welder. While scratch-start TIG might be theoretically possible with the right external torch and gas valve, it is not marketed or optimized for TIG welding.

Hot Start technology automatically increases the amperage momentarily at the start of the weld to help establish the arc quickly and prevent the electrode from sticking to the base metal.

The rated duty cycle is 20% at 210 Amps. This means you can weld continuously for 2 minutes out of a 10-minute period at maximum power.

Yes, inverter-based welders like the Thunderbolt 210 can generally be run off clean-power generators. Check the manual for specific kilowatt requirements to ensure full output.

The package includes the Thunderbolt 210 power source, a 10ft electrode cable with holder, a 10ft work cable with clamp, a 6.5ft power cord with 240V plug, and a cable pouch.

CATALOGUE & SPEC SHEETS

Spec Sheet