0.50mm x 5.5mm UC Series PCB Drill with ring, used for small through holes or via interconnectors. These bits are ideal for high density multilayer boards.
1.60mm x 10.00mm ST Series PCB Drill with ring, used for small through holes or via interconnectors. These bits are ideal for high density multilayer boards.
1.70mm x 10.50mm ST Series PCB Drill with ring, used for small through holes or via interconnectors. These bits are ideal for high density multilayer boards.