We have assembled a huge range of weld on fittings to make the job of fabricating a tank, radiator or your speciality job a breeze. When you are fabricating you donât have the time to search for the right part, that is why we have this complete range available right off the shelf! 989-M18-S 806-M18-S 989-M18-SS 989-04-S 989-04-CAP