5/16-18 X 7/8" Socket Cap Screws | Hex Socket Drive | Alloy Steel Black Oxide (100 / Pkg.)

Engineered for high-strength fastening, this Socket Head Cap Screw in Alloy Steel features a thermally applied black oxide finish for enhanced wear resistance and a low-glare, corrosion-resistant surface. Sized at 5/16-18 UNC and measuring 7/8 in in length, it delivers reliable clamping in a compact form factor.

Designed for equipment and machinery assemblies, this screw provides excellent torque-tolerance and fatigue resistance, making it a dependable choice for automotive, industrial, and manufacturing applications.

Specifications

• Size: 5/16-18 UNC
• Length: 7/8 in
• Head style: Socket Head Cap Screw
• Material: Alloy Steel
• Finish: Thermally Black Oxide
• Drive: Internal Hex (Allen)

Benefits

• High strength and durability for demanding fastening tasks
• Low-glare, wear-resistant finish reduces reflections and improves longevity
• Precise drive and seating ensure consistent torque and clamping force