FX8 / FX8C 0.6mm Pitch Connectors Hirose FX8 / FX8C series 0.6mm Pitch Connectors are board-to-board connectors offering a stacking height from 3mm to 16mm. The SMT coplanarity solder area lead is maintained at a high accuracy of less than 0.1mm. The mating guide secures self-alignment mis-insertion is prevented. Hirose FX8, FX8C series 0.6mm Pitch Connectors are used in notebook PCs, business equipment, or any application that requires miniaturization or less weight.