... Board size2000×610mm3Min. board Thickness2-layer 0.15mm4-layer 0.38mm6-layer 0.55mm8-layer 0.80mm10-layer 1.0mm4Min. line Width/ ... )9Hole dia. Tolerance (NPTH)+0/-0.05mm(2mil)10Hole position deviation±0.05mm(2mil)11Outline tolerance±0.10mm(4mil)12Twist & Bent0. ... ENIG, ImAg, Imsn OSP, Plating AG, Plating gold20MaterialsFR4,H-TG,Teflon,Rogers,Ceramics,Aluminium, Copper base MC PCB Board For Led Light