The screw is mainly used in the production of technical appliances.
Shake-proof and vibration-proof – thanks to these properties the ecosyn® fix screw is widely used for connections in electrical equipment, household appliances and in the manufacture of technical equipment.

Fig.: Screw + spring lock washer + flat washer = ecosyn® fix
Features:
- Reduced risk of damage to the surface of components thanks to the large, smooth washer face (also advantageous in reducing the risk of corrosion)
 - The large washer integrated into the screw head reduces any loss in prestressing force.
 - The large, effective rubbing surface under the head increases security against unscrewing (for torque-controlled tightening)
 
Cost savings:
- Cost saving opportunities in procurement and inventory management
 - Shorter assembly preparation
 - Faster assembly
 - Suitable for feeding in automated assembly