... , as well as button head nipples.grease nipple,fittingsemi trailer parts 1 We can provide ISO, BSP, DIN, ... This prouducts are used in auto parts(car, trailer, and truck),marine engineering mechanism,mechanical equipment and so on.3 ... the wolrd, especially south american.We can also OEM for you as long as you tell us the specification. ... so much. brass durable grease coupler, grease fittings for trailer