One of the most fundamental problems faced in any industry is how to join two pieces of material together. A layman asked this question would probably immediately think of glue. This is possible even with steel, where welding is effectively gluing two pieces of metal together.

There are however two fundamental problems with any sort of glued joint. The first, the joint is only as strong as the glue itself. To help overcome this with welded joints the ends of the pieces are shaped to form a V. This gives the weld a greater surface to form on and so make the bond stronger.

The second problem is that any glued joint is permanent and does not allow for anything to be dismantled should maintenance be required.

To dismantle a joint it should be connected by a removable fastening. This is where the humble nut and bolt come in. By providing flanges on the end of a pipe or a pipe fitting, and by bolting the two flanges together, a strong but removable coupling can be achieved.

But what sort of nut and bolt should be used? In concept they may all be the same but in practice they can be very different, from a simple threaded rod which is cut to length, to a 12 point ferry head unit. The choice of nuts can also be bewildering from the simple hexagonal to a bi hexagonal 12 point self locking type.

Whatever your need we at Chemipetro can provide a wide range of fastenings to meet your specific requirements even if it is a non standard and unique type.