Router Bits | Fraisertools.com Spiral bit for Aluminium and light alloys. Your online shop for the Best sale of Router Bits & manual Router tool for wood, woodworking, carving and CNC for a vertical milling. Spiral bit for Aluminium and light alloys. Your online shop for the Best sale of Router Bits & manual Router tool for wood, woodworking, carving and CNC for a vertical milling.