(a) Industrial fasteners comprise a very wide range of items like bolts, nuts, washers, studs, wire, nails, etc. Bolts constitute a fairly large part of it. Bolts upto 12mm (upto 15mm in special cases) are made by cold ...

Builders' hardware such as aluminium hinges, tower bolts, handles are used in buildings for fixing and movement of doors and windows. These are either made of M.S. or aluminium sheets and sections. Here, in this scheme, ...