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.

0.60mm x 9.50mm ST Series PCB Drill with ring, are a universal drill bit witch can be used for many materials.

0.70mm x 10.00mm ST Series PCB Drill with ring, are a universal drill bit witch can be used for many materials.

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.