Since 1969 Subex has produces threaded fasteners for Romanian lorries, buses, agriculture machines, railway engines, trucks, ships. There were screws, bolts and nuts made according to MAN German documentation.
These products have dimensions from M6 to M36 often with lengths more than 200 mm.
According to their final use, these threaded fasteners are divided in two categories.
- safety products used on engines, gear boxes, clutch, wheels, etc in high grades, specially tested in laboratories and zero defects” level of quality.
- common products that are not used on safety areas, manufactured to grades 4.6, 4.8, 5.8, 8.8 and commonly tested.
The protective coating is generally: browning, phosphate coating, zinc electroplating.