Layer: 2L ; Base Material: FR4 ; Board Thickness: 2.4mm ; Final Copper Thickness: 1OZ ; Surface Finished: ENIG+Depth milling ; Unit Size(mm): 55.30*103.95 ; Panel Size(mm): 119.0*284.5 ; Min Hole Size: 0.3mm ;
https://www.hoyogo.com/Products/HYG528R02119A.htmlCountersink+Threaded hole ; Layer: 2L ; Base Material: ALU 1W/MK ; Board Thickness: 2.1mm ; Final Copper Thickness: 1OZ ; Surface Finished: HASL Lead Free ; Unit Size(mm): 55.0*55.0 ; Panel Size(mm): 132.0*226.0 ; Solder Mask: PM-500WD-16SF ;
https://www.hoyogo.com/Products/Threaded-hole.htmlSpecial Request: Countersink ; Layer: 1L ; Base Material: ALU TC>1W/MK ; Board Thickness: 1.5mm ; Final Copper Thickness: 2OZ ; Surface Finished: HASL Lead Free ; Unit Size(mm): 134.0*34.5 ; Panel Size(mm): 345.0*288.0 ; Outline Finish: Punching+V-CUT ; Solder Mask: Taiyo PSR 4000-WT02 ;
https://www.hoyogo.com/Products/HYG1233A01014A-Countersink.htmlCountersink ; Layer : 6L ; Base Material : FR4 TG150 ; Board Thickness : 1.8mm ; Final Copper Thickness : 1OZ ; Surface Finished : ENIG ; Unit Size(mm) : 57.0*68.95 ; Panel Size(mm) : 278.0*167.9 ; Min Hole Size : 0.3mm ;
https://www.hoyogo.com/Products/HYG089R06244A.html