Mild Steel Hex Bolts Our range of products include Mild Steel Hex Bolts 1/2" X (1"-4") & 12mm x (25mm-30mm). Size 14 X 35 mm Hardness 52 - 58 HRC Material Mild Steel Corrosion Resistance Yes Tensile Strength 300-400 Mpa Our firm is ranked amongst the reputed names in the market for offering an extensive range of 1/2" X 1" Mild Steel Hex Bolt. Besides, we present this series to our clients at nominal prices.