1/2-13 x 1 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 serves automation systems where reduced snag potential and internal hex drive access are useful.
It is commonly used on machine covers and service panels where the finished head appearance is useful on exposed equipment. It is also suited to control enclosures and equipment housings when the rounded head reduces sharp edges on handled surfaces. The button-head form is specified when the fastener head remains visible or accessible and a smooth rounded profile is preferred.
For engineering layouts using 1/2-13 thread and 1 in. length, the reference head diameter is 0.851-0.875 in. and the head height is 0.245-0.265 in. The nominal body diameter and hex-key information below keep fit review, tool selection, and replacement ordering tied to verified reference values.
Reference dimensions may vary slightly by manufacturer.
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