Heat treatment

Our heat treatment unit runs a roller-type furnace line with a 60 cm mesh belt, made by BBI in China. It heat-treats screws, nuts, washers and special fasteners in property classes 8.8 to 12.9.

In addition to oil quenching, the furnace line now also offers water quenching. This lets us harden parts that need a faster cooling rate to reach the required hardness, and choose the most suitable quench for each material and customer requirement.

The unit can also stress-relieve hot-forged products, nuts and special metal fasteners to the relevant standard and the customer’s requirements.

A magnetic conveyor belt prevents damage from friction and parts piling on top of each other, which is important for sensitive parts.

The line also has an oil-dip Black Oxide system, which gives a high-quality finish to parts that need blackening and protects them from rust.