Bossweld MST 350X Water Cooled Welder Package 415V
In stock
Processing time update
As a guide, Perth Metro deliveries are usually 1–2 working days, Canberra is usually around 4 working days, Adelaide, Brisbane, Sydney and Melbourne are usually around 4–5 working days, and rural deliveries are usually around 6 working days.
Details

Bossweld MST 350X Water Cooled Welder Package 415V
The Bossweld MST 350X is a 415V three-phase heavy-duty MIG, Stick and TIG multi-process inverter with a Mobile X separate wire feeder. Features include a digital LED display, synergic controls, 4-roll wire drive, gas/gasless MIG and 2T/4T trigger latching.
Output: 350A at 60% duty cycle. Connection: primary power plug not fitted; installation by a suitably qualified electrician is required.
Water-cooled package includes
- MST 350X inverter welder and Mobile X wire feeder
- Bossweld 415V water cooler
- Machine trolley and 10m interconnection cables
- 4m Ergon BZ501 water-cooled MIG torch
- 5m earth clamp and 2m gas hose
- Bossweld twin-gauge regulator and drive rollers
Brand: Bossweld
Manufacturer part number: 699360
Cooling: water-cooled
📖 Manual & Specifications
Not sure if this is the right machine? Gun Welding is run by welders, not just salespeople. Ask us before ordering and we’ll help match the machine, torch, gas, consumables and setup to the work you actually do.
- Great for trade, workshop, farm and serious home-use buyers.
- Genuine welding equipment sourced through trusted Australian suppliers.
- Support available for machine setup, welding process choice and consumable selection.
Orders are processed through Gun Welding and shipped Australia-wide. Some products may be dispatched direct from supplier stock to keep delivery fast and pricing sharp.
Warranty and support are provided in accordance with the relevant manufacturer's terms. Keep your order confirmation as proof of purchase.

