Our range of 4140 Hex and Round Steel Bar delivers high tensile strength, excellent toughness, and reliable machinability for demanding engineering and manufacturing applications.
Available in a variety of diameters and profiles, 4140 bar can be cut to your required length, with freight-friendly options up to 1 metre for easy shipping. Choose from peeled, polished, or centreless ground finishes to suit your project’s tolerance and surface requirements.
Perfect for shafts, bolts, bushes, couplings, pins, and general engineering, 4140 steel combines high strength and durability with superior surface quality.