A Mild Steel Hex Bar is a six-sided piece of steel bar stock. It is measured by its width across the flats, not from corner to corner. It is a highly versatile engineering material. Typical applications include fasteners including bolts and nuts and in the production of repetitively turned parts. Steel is a cost-effective material which is recyclable. With good strength, workability and formability, it is one of the most popular engineering materials. Hexagon Bar is precisely shaped for items or machines that require accurate pieces. Mild Steel Hex Bar is very useful.