Countersink drill PCB

8 layer low cost round FR4 printed circuit board impedance control pcb prototype with countersink

Layer:8Material:FR4 IT180A TG175
Thickness:0.062″Min. Lind width:5mil
Min.Hole size:10milSurface finish:Immersion gold+ Hard gold(selectable)
Copper thickness:1 OZUnit size:11.0*12.823″
Impedance control:YesIPC Standard:IPC2
Countersink:YesLeading time:7 working days

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