1/2"-20 x 4 1/2" Flat Head Cap Screw, Fine, Partial Thread, Alloy Steel, Black Oxide Finish

# Fasteners The **1/2"-20 x 4 1/2" Flat Head Cap Screw** from **MROSupply Fasteners** is engineered for precision fastening applications. This high-quality screw features a fine thread design and partial threading, making it ideal for use in various industrial and mechanical settings. Crafted from durable alloy steel and finished with a black oxide coating, this cap screw ensures enhanced corrosion resistance and improved aesthetic appeal. ## Key Features • **Size and Dimensions:** 1/2"-20 thread size with a length of 4 1/2" • **Material:** Constructed from robust alloy steel, providing excellent tensile strength and durability • **Thread Design:** Fine thread for improved grip and secure fastening • **Finish:** Black oxide finish enhances corrosion resistance and prevents rust • **Type:** Flat head design allows for a flush finish when installed in countersunk holes ## Applications • Widely used in automotive, machinery, and construction industries for secure fastening • Compatibility with various substrates including metal, wood, and plastic • Suitable for applications requiring a low-profile fastener that does not protrude above the surface ## Benefits • **Enhanced Durability:** Made from alloy steel, ensuring longevity and performance in demanding environments • **Corrosion Resistance:** Black oxide finish protects against environmental factors, extending the life of the fastener • **Improved Aesthetics:** Flat head design provides a clean and professional look, ideal for visible applications --- *Product information compiled with AI assistance for reference purposes.*