7/8"-14 L9 Hex Head Cap Screw – Fine Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)

7/8"-14 L9 Hex Head Cap Screw – Fine Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)

Our 7/8"-14 L9 Hex Head Cap Screws are engineered for extreme durability and strength, making them ideal for bulk purchase in high-demand applications. Made from high-grade alloy steel with a tensile strength of 180,000 PSI, these USA-made fasteners provide unmatched performance for large-scale assemblies in industries where reliability is paramount.

Advantages of L9 Hex Head Cap Screws

Ordering L9 Hex Head Cap Screws in bulk ensures your project has access to the highest-grade fasteners at an efficient cost. These screws meet stringent SAE standards and are perfect for large-volume needs in automotive, construction, and industrial sectors, saving both time and resources.

Exceptional Features:

• Increased Head Height: Provides better wrench engagement, reducing slippage during installation.
• Radius Under Head: Minimizes stress concentrations, improving fatigue resistance.
• Enhanced Load Distribution: Smooth washer-bearing surface for secure fastening under heavy loads.

Key Mechanical Properties:

• Hardness: 38 to 42 HRC
• Surface Hardness: HR15N 81.5 Max
• Tensile Strength: 180,000 PSI Minimum
• Yield Strength: 155,000 PSI Minimum
• Proof Load Strength: 145,000 PSI
• Elongation: 12% Minimum
• Head Marking: Nine radial lines with "L9" marking

Durable Surface Finish:

• Zinc Yellow Plated: ASTM F1941/F1941M Fe/Zn 5CN compliant with a 5-micron minimum coating.
• Yellow Trivalent (Cr+3): Offers 96 hours of corrosion protection, ensuring lasting durability in challenging environments.

Technical Specifications:

• Size: 7/8"-14 (Diameter: 0.875", Threads per Inch: 14)
• Length Options: Available in various lengths to meet application needs (select above)
• Material: High-Grade Alloy Steel (L9)
• Finish: Zinc Yellow CR+3 Plating for corrosion resistance
• Thread Type: Fine Thread (UNF)
• Manufactured In: United States

Applications Requiring Bulk Quantities:

These bulk 7/8"-14 L9 Hex Head Cap Screws are built for large-scale, high-stress applications, including heavy machinery, aerospace, and infrastructure projects. Offering premium strength and corrosion resistance, they are essential in environments where failure is not an option.

Explore the Full L9 Product Line

Order Bulk L9 Fasteners Today!

Equip your project with the best in high-strength fasteners. Order Bulk 7/8"-14 L9 Hex Head Cap Screws today to secure fast, reliable shipping and the quality of Monster Bolts.