Leading Australian manufacturer of automotive fasteners like rivets as well as bolts and nails. The website contains a with a very informative handbook on rivets that is attached above
Halfen is one of the largest global suppliers of concrete anchoring and façade fixings systems. See the catalogue of concrete cast-in accessories above.
Ramset has been producing mechanical and chemical anchors for over 50 years. Successful products' like 'Dynabolt' and 'Chemset' transcend their brand names and have become the identifiers of two widespread types of anchors in the building industry.
Unbrako is mostly recognized for its socket screws products. See the catalogue attached above containing also some useful engineering information on fasteners. The website provides also a library of AutoCAD blocks that can be downloaded for free.