[100 PKG] Socket Head Cap Screws Alloy Steel Thermal Black Oxide 1/4-20 X 3 1/4

Upgrade your fastener hardware with our Socket Head Cap Screws. Crafted from durable alloy steel and finished in a thermal black oxide coating, these fasteners combine rugged strength with a corrosion-resistant, professional appearance ideal for machinery, automotive, and DIY projects that demand reliable clamping and smooth, flush heads.

Designed for precision fastening, each screw features a standard 1/4-20 UNC thread and a length of 3 1/4 inches, making it compatible with a wide range of components and assemblies. The thermal black oxide finish provides added wear resistance while reducing glare in high-visibility environments.

Product Details

• Type: Socket Head Cap Screw
• Material: Alloy Steel
• Finish: Thermal Black Oxide
• Thread Size: 1/4-20 UNC
• Length: 3 1/4 in

Why customers love it

• Strong, durable alloy steel construction that stands up to heavy use
• Thermal black oxide finish reduces wear and adds corrosion resistance
• Clean, low-profile head for a professional, finished look in assemblies
• Reliable 1/4-20 standard thread for broad compatibility

Whether youre assembling machinery, doing automotive repairs, or tackling a DIY project, these Socket Head Cap Screws deliver dependable performance and a sleek, professional finish. Add them to your toolkit today and experience reliable fasteners that perform when it matters most.