2.10mm 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.
2.20mm 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.
2.30mm 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.