Bulk 7/8"-9 L9 Hex Head Cap Screw – Coarse Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)

Bulk 7/8"-9 L9 Hex Head Cap Screw – Coarse Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)

Built for the toughest applications, our Bulk 7/8"-9 L9 Hex Head Cap Screws offer unmatched strength and resilience. Crafted in the USA from high-grade alloy steel, these fasteners feature a coarse thread (UNC) for optimal grip and ease of assembly in demanding environments. With a tensile strength of 180,000 PSI, these L9 fasteners are perfect for bulk orders, providing durability and efficiency in high-stress projects.

Advantages of Bulk Ordering L9 Hex Head Cap Screws

Ordering in bulk maximizes cost-effectiveness while ensuring reliable inventory for your most demanding projects. These L9 screws adhere to SAE’s highest strength standards, making them suitable for industries such as heavy machinery, construction, and automotive manufacturing where bulk quantities and top-grade quality are essential.

Enhanced Features for L9 Hex Cap Screws:

• Increased Head Height: Taller head for better wrench engagement and reduced risk of slippage.
• Radius Under Head: Reinforces stress resistance, enhancing durability under extreme loads.
• Smooth Bearing Surface: Ensures even load distribution for secure fastening under constant stress.

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" for easy identification

Corrosion-Resistant Finish:

• Zinc Yellow Plating: ASTM F1941/F1941M Fe/Zn 5CN compliant with a 5-micron minimum coating thickness.
• Yellow Trivalent (Cr+3) Coating: Provides 96 hours of salt spray protection, ensuring long-lasting corrosion resistance.

Technical Specifications:

• Size: 7/8"-9 (Diameter: 0.875", Threads per Inch: 9)
• Length Options: Available in multiple lengths for specific project needs (select above)
• Material: High-Grade Alloy Steel (L9)
• Finish: Zinc Yellow CR+3 Plating for corrosion resistance
• Thread Type: Coarse Thread (UNC)
• Manufactured In: United States

Optimal for Bulk Projects:

Designed for projects requiring the highest-grade fasteners in large quantities, our bulk 7/8"-9 L9 Hex Head Cap Screws are trusted across automotive, aerospace, and construction industries for their reliability under constant use and stress.

Explore the Full L9 Product Line

Order Bulk L9 Fasteners Today!

Strengthen your project with Bulk 7/8"-9 L9 Hex Head Cap Screws. Place your order today for fast, reliable shipping and premium customer service from Monster Bolts.