R-Tech 321 Digital MIG Welder (415v) - Shop Soiled

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11mm Max Weld

This is maximum weld with 1 pass, if you do multiple passes you can weld up to 25mm

Weld Steel

This will weld ALL steels including stainless steel

Aluminium

You can weld aluminium with the optional spool on gun, you will need PURE argon gas.

Spool Gun

Optional spool gun makes MIG welding aluminium easy, wire reel is held on torch.

R-Tech 321 Digital MIG Welder (415v) - Shop Soiled

5/5

CODE

MIG321-SS

In stock

0% Finance Available - Select pay by finance in checkout - Instant decision

Order in for UK Mainland delivery on 20/06/2025

Optional Trolley

Now £1,185.77 £988.14 Was £1,378.80 £1,149.00

Qty

Order by 3pm:  
Next-day delivery

Details

If your workshop needs that extra oomph, look no further than the MIG321 digital MIG welder. With it's 15KG spool capacity, durable metal 4-roll wire feed and new Easy Mode synergic setup; the MIG321 is the ideal heavy duty companion for industrial work plus with it low starting of 30 amps, its ideal for car bodywork & thin material as well.

Shop Soiled - (only minor scuffs) - comes with 5 years collect & return warranty

Crystal clear LCD Display - See all settings on one screen. Get welding quickly!
EASY SETUP MODES - Professional weld settings built in for 0.6mm, 0.8mm, 1.0mm, 1.2mm wire - Get great results
EASY MMA/STICK modes for 6013 and 7018 rods
Simple to use - Easy navigation - no complicated menus
Full manual mode with burnback control.
Spool on gun - ideal for aluminium - easy welding of aluminium with optional spool on gun.
Metal, four roller wire feed assy - Provides consistent weld bead
Low splatter weld due to inverter technology
Infinite control of welding amperage
High duty cycle - 60% @ 250 amps, 35% @ 320 amps
Euro style MIG torch
Heavy duty earth / MMA connections
5 year collect and return UK warranty
Easy welding of aluminium with optional spool on gun - See the MIG Welder Spool Gun Videos

Want to try before you buy? Book a demonstration at our Tewkesbury HQ - Available 5 days per week 9am-12pm and 2pm-4pm.

Tech Specs

Amperage Range MIG	30 - 320A
Input voltage/amps	415v 16A
Duty cycle	35% @ 320A - 60% @ 250A
Amperage range MMA	20 - 250A
Wire reel size	5KG & 15KG
Wire diameter	0.6mm , 0.8mm, 1.0mm , 1.2mm
Roller size fitted	0.6mm , 0.8mm, 1.0mm , 1.2mm
Net weight	28KG
Dimensions	470 x 280 x 640 mm (H x W x D)
Euro style torch	Yes - Easy fitment of torch
Gasless wire	Yes - Easy reversal of polarity for gasless wire
Max Thickness Steel	11MM Single Pass
Max Thickness Steel	25MM Multiple Passes

Generator Friendly - Generator must be minimum of 10KVA 415V and fitted with AVR (auto voltage regulation)

Package Includes, R-Tech MIG321 MIG Welder, 4M MB36 Air Cooled MIG Torch, Earth Lead, Gas Hose, Mains Cable, Gas Regulator, Owners Manual

Videos

Video Reviews & Guides

Warranty

The R-Tech MIG321 SHOP SOILED carries the following warranty:-

MIG321 - 5 Year Warranty
Regulator - 1 Year Warranty
R-Tech MIG Torches - 3 Month Warranty
Earth Lead - 3 Month Warranty

Optional Spool Gun - 1 Year Warranty

R-Tech machines are designed to be robust, easy to use and highly reliable but in the unlikely event that your welder or plasma cutter requires attention, R-Tech promise to:-

Arrange collection via next working day UK courier [48hr offshore]
Quickly repair the machine at our Technical and R&D centre in Gloucester
Deliver back via next working day UK courier [48hr offshore]
All costs covered by R-Tech - Yes, Collection, repair and delivery!

No questions, no hassle, just honest and reliable service - A true no quibble warranty

Most of our competitors only offer return to base [RTB] warranties - you have to pay and arrange to get it back to them which can be a hassle. Many others offer warranties that have clauses and if you don't have it serviced yearly by them, at your cost, the warranty will be void.

Other benefits of owning an R-Tech machine include:-

Free friendly and knowledgeable technical advice via phone and email
Free machine setup help always available - We want you to get the best from your machine
Ten year Duty-of-Care on all our machines, giving you piece of mind that spare parts will be available if needed
Video's to show how to use and setup your R-Tech machine.
2 year extended warranties available at a minimal cost.

Don't just take our word for it - see our customer reviews page to see what real customers say about the R-Tech products and our service & support.

Reviews

Excellent

R-Tech 321 Digital MIG Welder (415v) - Shop Soiled

product reviews 2

product rating 5/5

product experience

calculated from 2 customer reviews

positive

100%

Neutral

negative

latest reviews

21 September 2024

Excellent quality
25 August 2024

Good machine I'm going to be using it industrial so I'll see how it hold up would like to have seen more water cooled options For this one like a package deal with a free bottle of coolant