... on gerber file 3.UL,SGS,ROHS,ISO9001:2008 FR4 1oz copper thickness double sided pcb Brief introdution of our company ... for inner layers (Cu thickness are excluded)0.003”(0.07mm)Drilling Min. Size0.0078”(0.2mm)Max. Size0.3”(8.0mm)Drill Deviation± 0.002” (0 ... (1/2+-0.1mm)V-cut angle15°,18°,30°V-cut Shapeline,hole,V-shapeSurface FinishHASL,HASL pb free,immersion gold,immersion silver,immersion tin ...