Single sided PCB board: 1.the thickness of 0.8 mm-1.6 mm 2.the bottom of the copper thick 1oz 3.halogen-free Single sided PCB boardMaterial Range: FR4 Halogen Thickness: 0.8 mm-1.6 mm The bottom of the Copper thickness: 1oz Width: 0.30mm Stitch: 0.30mm Thickness: 1.6mm The most hole size: 0.40mm CNC drilling and punching 1.20mm Hard & Soft Gold SMOBC (Solder Mask over bare copper) HASL (hot air ...