We make the countersink holes and depth routing according to your requirement

• Layer: 4
• Material: FR4 TG130
• PCB thickness: 1.6mm ±10%
• Final copper thickness:  1oz
• Minimum hole size: 0.25mm
• Minimum line width/space: 8/8mils
• Minimum hole copper: 20µm
• Soldermask: green
• Legend: white
• Surface: Lead-free HASL
• Outline: rout+v-cut+0.8mm depth routing
• E-test: 100%