5/8-11 x 5/8 Alloy Steel Button Head Socket Cap Screw helps machine builders secure covers, brackets, and housings while keeping the head smooth and accessible. The alloy steel construction serves automation systems where reduced snag potential and internal hex drive access are useful.

Common installation points include robotics and packaging machinery where internal hex drive access supports repeatable assembly work in tight spaces. It may also be specified for precision assemblies and repair work when buyers can match the listed thread and length to drawings or service records. Unlike a standard socket head cap screw, the button head emphasizes a lower rounded profile and broader exposed head for applications that benefit from that geometry.

For engineering layouts using 5/8-11 thread and 5/8 in. length, the reference head diameter is 0.970-1.000 in. and the head height is 0.311-0.331 in. The nominal body diameter and hex-key information below keep fit review, tool selection, and replacement ordering tied to verified reference values.

Technical Highlights

• Material: Alloy Steel
• Thread Size: 5/8-11
• Length: 5/8 in.
• Nominal Body Diameter: 5/8 (.625 in.)
• Head Diameter: 0.970-1.000 in.
• Head Height: 0.311-0.331 in.
• Hex-Key Size: 3/8 in.
• Drive Type: Internal Hex

Reference dimensions may vary slightly by manufacturer.

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