6-40 x 1/2 Alloy Steel Flat Head Socket Cap Screw provides an alloy steel flat head option for machine components designed around countersunk socket screws. The internal hex drive allows installation from above the workpiece, which is helpful in compact equipment where external wrench clearance is limited.

Common applications include electronics enclosures, access panels, tooling stations, and assembly systems where a smooth exposed face supports safe handling. The material designation gives purchasing teams a clear match for equipment documents that call out alloy steel flat head socket cap screws. The internal hex drive supports top-side socket engagement where side access is limited.

For this 6-40 thread and 1/2 in. length, the verified head data helps engineers compare countersink depth, head clearance, and tooling access. Cold Headers focuses on difficult-to-find socket products where exact thread, length, and head style matter to the application.

Technical Highlights

• Material: Alloy Steel
• Thread Size: 6-40
• Length: 1/2 in.
• Nominal Body Diameter (B): 0.138 in.
• Head Diameter (A): 0.263-0.307 in.
• Head Height: 0.097 in.
• Hex Socket Size (J): 5/64 in.
• Minimum Key Engagement (T): 0.066 in.
• Drive Type: Internal Hex

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.