Recommended configuration of plated through holes for press-in germination e [JIN female MHM In addition to the hot-air-level (HAL), other PCB surfaces are Drilled hole 8 1,150,025 mm A getting more important. Due to their different properties such as . mechanical strength and coefficient of friction we recommend the Tin plated PCB (HAL) Cu min. 25 um following configuration of PCB through hues. acc.