Carbon Steel Rod, Material Carbon Steel, Material Grade 12L14, Overall Length 36 in, Heat Treatable Heat Treatable, Heat Treatment No Heat Treatment, Mechanical Finish Mill, Outside Diameter 1/4 in, Outside Diameter Tolerance 0 in/-0.003 in, Yield Strength 65,000 psi, Fabrication Cold Rolled, Rockwell Hardness Not Rated, Brinell Hardness 85 BHN, Tensile Strength 78,000 psi, Machinability 193 Percent, Length Tolerance +/-3 in, Includes Material Certificate Material Certificate with Lot Number