UNC/UNF ASME B18.31.3, Stainless steel

3' (metre) imperial thread continuous threaded rod, commonly known as studding, allthread or threaded bar. Manufactured to ASME B18.31.3 for multiple heavy duty applications when a bolt or set screw is not long enough. Manufactured in A2 stainless steel often referred to as 304 or 18/8, the most commonly used grade of stainless steel with excellent corrosion resistance for general purpose use.