Profile: Rigibore Ltd. specializes in manufacturing tooling for precision hole boring. Our products include special tools, boring bars, twin tooling, cartridges, rigibore units and carbide inserts. We provide wide range of standard, single-point boring bars with boring units to suit rough boring, semi-finish and finish boring. We offer carbide inserts for cutting aluminum, cast iron, steel, cast steel, high alloy steels, titanium alloys, aircraft grade materials, and plastics. The standard W style or trigon-shaped inserts comes in five sizes and in standard and heavy duty thickness.