Search  for anything...

Handheld MIG Welder Machine - 110V Flux Core Portable laser welder, 120A Gasless MIG Welding Machine, Inverter Wire Feed Welding Equipment, for solder bar sizes from 0.030" to 0.035" (0.8–1.0mm)

  • Based on 106 reviews
Condition: New
Checking for the best price...
$89.99 Why this price?
Memorial Day Sale · 10% off was $99.99

Buy Now, Pay Later


As low as $15.00 / mo
  • – 6-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Wednesday, May 27
Order within 6 hours and 33 minutes
Available payment plans shown during checkout

Protection Plan Protect Your Purchase
Checking for protection plans...

Size: Large


Color: Black


Features

  • Handheld MIG Design--Compact & Portable & Easy to Use: Handheld MIG welder is designed for portability and easy operation, providing a convenient use process, greatly improving your work efficiency, and is also very suitable for mobile scenes such as narrow spaces, dark corners, construction sites and farms.
  • Stepless Current Adjustment - Meets Various Project Needs: The flux-cored welder features stepless current settings, making it easy to weld a wide range of thicknesses and materials. Compatible with flux-cored wires from 0.030" to 0.035" (0.81.0 mm), it precisely and efficiently joins stainless steel, mild steel, iron, and a variety of other metals to meet your diverse work needs. (Note: This welder is not suitable for aluminum welding.)
  • Powerful & Efficient - Widely Used: With an output current of up to 120A and a maximum power output of up to 4200W, this gasless MIG welder delivers high-quality welds with minimal spatter and smooth, even seams. Its versatility makes it an ideal choice for applications such as machine manufacturing, automotive repair, fencing, and ironwork.
  • Overheat Protection & Cooling System - Extend The Service Life Of The Machine: Upgraded multiple protection functions - overheating, overcurrent, overvoltage and overload, so that the machine can operate stably in any adverse environment and extend the life of the machine. The integrated high-efficiency cooling fan can maintain the optimal temperature, further improving its durability and reliability.
  • Hand Held MIG Welding Kit - Perfect for All Your Jobs!: Includes 1 * Handheld MIG Welder; 1 * Gloves; 1 * Face Shield ; 1 * Face Shield Handle; 1 * Cleaning Brush; 3 * Contact Tip ; 2 *Conductive Nozzle ; 1 * 0.030"to 0.035"(0.81.0mm) Welding Wire, Everything you need for any DIY welding project.

Product Dimensions: 16.54"D x 3.46"W x 12.6"H


Brand: Protmex


Color: Black


Special Feature: Compact


Installation Type: Portable


Voltage: 110 Volts


Model Name: BX-12


Adjustable Temperature Control: No


Item Weight: 5.29 Pounds


Has Convertible Freezer: No


Additional Features: Compact


Voltage: 110 Volts


Adjustable Temperature Control: No


Has Convertible Freezer: No


Is Electric: Yes


Number of Shelves: 7


Smart Home Compatibility: Not Smart Home Compatible


Power Source: Corded Electric


Color: Black


Item Dimensions D x W x H: 16.54"D x 3.46"W x 12.6"H


Item Weight: 5.29 Pounds


Size: Large


Installation Type: Portable


Brand Name: Protmex


Model Name: BX-12


Model Number: BX-12


Manufacturer Part Number: PWM-013


Included Components: 1 * Optical Filter; 1 * Face Shield Handle; 1* Brush & Hammer, 1 *Ground Clamp; 1 * Gloves; 1 * Face Shield, 2* Nozzle; 3* Contact Tip; 1*Flux Wire


Manufacturer: Protmex


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, May 27

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Lightweight and seems to work better with two hands with a separate welding helmet
Size: Large Color: Black
Made money, welding, my neighbors gate and much of my railing due to ocean rust. Plastic but so far it works great a lot easier than my other heavy coil welder.
Reviewed in the United States on March 25, 2026 by ... jerry Q

  • Functional
Size: Large Color: Orange
This welder is great like that it is portable functions really well good value for the money
Reviewed in the United States on April 1, 2026 by corina garcia

  • time and money saving
Size: Large Color: Orange
just got this today and was able to weld up a 1950's metal lawn chair ,it worked fantastic it did what i needed a small hand held welder to do , a weld small job,it will be great for any small little welding jobs i will have in the future i figured the cost of this item was the same for me to take this to a welding shop and waiting 2 months for them to get to it great product ... show more
Reviewed in the United States on February 19, 2026 by jack Bushgen

  • handheld MIG welding machine
Size: Large Color: Black
I purchased this handheld MIG welding machine for small projects and home repairs, and so far it has met my expectations very well. It is compact, lightweight, and easy to handle, which makes it ideal for people who are not professional welders but need a practical and functional tool. I really liked how easy it is to set up and use, with intuitive controls that make the learning process smoother. It allows for clean and fairly precise welds on basic projects such as metal repairs, small structures, and general maintenance. ... show more
Reviewed in the United States on December 16, 2025 by Darlene Ynfante

  • Very nice
Size: Large Color: Orange
It has been very useful to me, I use it almost every day at work, I would buy it again.
Reviewed in the United States on February 2, 2026 by steven

  • Highly recommended
Size: Large Color: Black
Excellent portable MIG welder for home use. It’s easy to operate, runs on standard 110V power, and doesn’t require gas thanks to the flux-core wire. It provides solid power for light to medium projects, with a stable arc and compact, lightweight design that’s easy to carry. Great option for beginners and quick repairs, offering very good value for the price. ... show more
Reviewed in the United States on December 20, 2025 by beatris

  • Inconsistent
Size: Large Color: Black
Doesn't hold consistent voltage or feed on 20A breaker.
Reviewed in the United States on November 30, 2025 by Deanna Lewis

  • Soldador tipo pistol
Size: Large Color: Black
Muy buena, fácil de usar, portátil, sin gas
Reviewed in the United States on February 8, 2026 by dr diego luis gonzalez b

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...