[50 PKG] Socket Head Cap Screws Fine Thread Alloy Steel Thermal Black Oxide 1/2-20 X 1 3/4

Engineered for reliability in machinery, automotive, and industrial applications, our Socket Head Cap Screws Fine Thread Alloy Steel Thermal Black Oxide 1/2-20 X 1 3/4 deliver superior strength and precise clamping. The fine thread enhances holding power in thin-material assemblies and reduces loosening under vibration.

Fabricated from high-strength alloy steel, these fasteners are finished with a durable thermal black oxide coating that provides corrosion resistance and a sleek, low-profile appearance. The socket head design allows for space-saving drive access in tight tolerances.

Key specifications

Size: 1/2 inch diameter, 20 threads per inch

Length: 1 3/4 inches

Thread type: Fine thread

Material: Alloy steel

Finish: Thermal black oxide

Drive: Socket head

Why choose these

Choosing the right fastener matters for longevity and performance. With the combination of fine-thread design, robust alloy steel, and protective black oxide finish, these screws provide secure, repeatable clamping in demanding environments. Theyre ideal for precision assemblies where alignment and stability are critical.