Sealey Supermig 255
Sealey Supermig 255
Sealey Supermig 255 is a professional MIG welder for automotive bodyshop repairs, fabrication work and general workshop welding.
Key Features
- 250A maximum welding output
- Forced-air cooling system
- Binzel Euro non-live torch
- Suitable for steel, stainless steel
- Aluminium welding capability
- Integrated spot welding timer
Nationwide Engineers
Technical Support
Fast Delivery
Engineer Approved
Shipping
We aim to dispatch all in-stock items for next working day delivery when ordered before 1pm. Larger or heavier equipment may require a 48-hour delivery service.
Mainland UK Delivery
Orders over £70 (excluding VAT) qualify for free delivery.
Orders under £70 (excluding VAT) are charged at £6.95.
Remote & Offshore Locations
Deliveries to the Scottish Highlands, Islands, Northern Ireland, Isle of Man, Channel Islands and Isles of Scilly are subject to additional carriage charges. These typically start from £18.95 and may increase depending on size and weight.
If you need urgent delivery or want to confirm stock availability before ordering, please contact our team.
Returns
We offer a 14-day approval period from the date of delivery to ensure the goods meet your expectations.
Returned items must be in new, unused condition and in their original packaging. Return carriage costs are the responsibility of the customer.
We strongly recommend using a tracked and insured delivery service, as we cannot be held responsible for items lost or damaged in transit.
Items ordered incorrectly and returned for credit may be subject to a 15% restocking fee. This may be waived on orders at our discretion.
Engineer Advice
Paul Jones says
In a workshop, the 3 m Euro torch and non-live torch design are useful for controlled work around vehicle panels, while the forced-air cooling helps when the machine is working for extended periods. It can also be set up for stainless steel and aluminium, but these materials need the correct wire, liner, contact tip, torch setup and shielding gas. Aluminium in particular usually requires careful wire feeding and clean preparation.
A common issue I see is trying to obtain a sound weld without checking the earth connection, gas flow and wire-feed tension first. The machine also requires a suitable 230 V supply with adequate protection, so it should be installed correctly rather than run from an unsuitable extension lead.
Used within its duty cycle and set up for the material, it is a dependable workshop machine with practical capacity for regular repair work.
Paul Jones, Technical Director
Need support with your equipment?
Get in touch with our team for service, calibration, repair or training.