Welding contact tips are highly misunderstood components in a MIG gun setup. Choosing the correct contact tip for your welding application and understanding how to keep it performing at its best are just as critical as anything else need to produce a good quality weld. Using a contact tip that is too big or too small can create problems such as micro arcing, overheating, friction, and wire jamming all of which can lead to bad wire feeding and  burn back on the contact tip. MIG contact tips are the most frequently replaced component of MIG welding torches, Welding contact tips transfer the weld current to the welding wire as it passes through the tip to create the welding arc. The welding wire should pass through the tip with minimal resistance but with a tight enough mechanical tolerance to allow a good thermal and electrical connections. Hobby MB 14 Compatible Parts many consumable parts used with DIY mig welding machines are similar in manufacture and branded by many different suppliers such as SIP, Parweld, Draper, Esab, Sealey and many others. SIP, Clarke, Sealey, GYS Compatible Parts The parts are generally called MB14 mig torch parts or MB 15 mig torch parts some supplies such as Parweld, Kemppi manufacture Flexlite there own mig torches which in general are more specialist types avaliable in 3.5M 5M 6M and 16Metre. Contact tips generally MB 15 M6 x 25mm or MB 14 M5 x 18mm long, gas nozzles generally 38mm or 45mm long M8 thread and 53mm long 12m bore push on , liners plastic normally black or metal which are colour coded blue 0.6mm to 0.9mm wires and red 0.8mm to 1.2mmm wires the come in 3, 4 or 5metre in length, these are mass produced and branded by suppliers of machines as there own Hobby MB 14 Compatible Parts. Hobby MB 14 Compatible Parts https://www.wecs-ltd.co.uk/product-category/mig-torch-consumable-parts/hobby-mb-14/

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