... ) CNC Tolerance±0.004”(0.1mm) V-Cut Depth V-cutFR-4(1/3+-0.1mm);FR- ... 3(1/2+-0.1mm) V-cut angle V-CUT 15°,18°,30° V-CUT line,hole,V-shapeCertificates UL Cert. YISO Cert ... in hole: >20um11). Board thickness tolerance: ±10%12). Outline tolerance: Routing:±0.1mm,Punching:±0.1mm13). ... plating gold 30 microinch18). Profiling: Punching, Routing, V-CUT, Beveling19). Certificate: UL,ISO 9001,ISO14001,ROHS20). ...