5/8-11 x 1 1/4 Alloy Steel Button Head Socket Cap Screw is commonly specified when designers need internal-hex access with a broad, finished head profile. The alloy steel construction supports manufacturing equipment where a smooth button head and socket engagement are required.
It is commonly used on production machinery and maintenance repair where socket engagement is practical where side clearance is limited. It is also suited to production machinery and maintenance repair when socket engagement is practical where side clearance is limited. Selection is usually driven by head shape, socket access, and exposed-surface requirements rather than by the geometry of a standard socket head cap screw.
For assemblies specified with 5/8-11 thread and 1 1/4 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 help maintenance and purchasing teams verify fit and tool access.
Reference dimensions may vary slightly by manufacturer.
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