M3-0.5 x 120 Alloy Steel Metric Socket Head Cap Screw helps engineers maintain metric hardware consistency in tooling, automation, and OEM equipment. Alloy steel construction is commonly selected for metric fastening locations in OEM machinery and industrial maintenance. This part is useful where purchasing teams need exact metric size matching without converting to inch dimensions. The M3-0.5 x 120 size supports exact catalog selection for industrial distributors, purchasing teams, maintenance professionals, and machine builders. For engineers, OEM manufacturers, purchasing managers, and maintenance professionals, this alloy steel part helps match the fastener to the assembly without changing the locked dimensions. Tool and die work, fixture construction, material-handling equipment, and assembly machinery are common sourcing contexts for this product family. Call Cold Headers at 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.