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Threaded Bar or Threaded Rods or sometimes known as studding is avaliable in various finishes including, Stainless Steel A2 & A4, Brass, Nylon, Mild Steel, Zinc Plated. They are also available in Metric, Metric Left Handed, UNC, BA, UNF, BSP, BSF, BSW and up to 3 Metres in length.
You can also use long hex connecting nuts to attach rods together which come in a range of length and finishes including Mild Steel and Stainless Steel.
Mild Steel - High Tensile Threaded Studding
Mild steel and high tensile steel are the most popular materials. Mild steel and high tensile steel threaded studding are available in self colour as well as with various surface treatments such as zinc plating and galvanization.
Stainless Steel Threaded Studding
Stainless steel is an alloy of low carbon steel and chromium for enhanced corrosion characteristics. Stainless steel is highly corrosion resistant because the anti-corrosive properties are inherent to the metal, it will not loose this resistance if scratched during installation or use.
It is a mistaken belief that stainless steel is stronger than regular steel. Actually , due to the low carbon content, stainless steel can not be hardened, so, compared with regular steel it is stronger than mild steel fasteners but weaker than hardened steel fasteners.
Good corrosion resistance is a feature of all stainless steels. Low alloy grades can resist corrosion in normal conditions. Higher alloys resist corrosion by most acids, alkaline solutions and chloride environments.
The most commonly used grades are A2 stainless steel and A4 stainless steel, these are the two types offered by TotalFixings.co.uk. The corrosion resistance of stainless steels is due to their chromium content. In general, stainless steels contain a minimum of around 10.5% chromium. The chromium in the alloy forms a self-healing protective clear oxide layer that forms spontaneously in air. The self healing nature of the oxide layer means the corrosion resistance remains intact regardless of fabrication methods. Even if the material surface is cut or damaged, it will self heal and corrosion resistance will be maintained.