Bulk 1-1/4"-7 UNC Hex Cap Screws (Coarse Thread, 316 Marine Grade Stainless Steel)

Heavy-Duty, Corrosion-Resistant Stainless Steel Screws for Industrial & Marine Use

Upgrade your fastening solutions with 1-1/4"-7 UNC Hex Cap Screws, expertly crafted from high-quality 316 (A4) marine-grade stainless steel. These coarse-thread screws provide superior corrosion resistance and exceptional strength, making them ideal for marine, industrial, construction, and offshore applications where extreme conditions demand durability.

Note – PT = Partial Thread

Key Specifications

• Material: 316 (A4) Marine-Grade Stainless Steel – Superior corrosion resistance
• Tensile Strength: High-strength fasteners for demanding environments
• Thread Size: 1-1/4"-7 Coarse Thread (UNC)
• Finish: Plain (Natural Stainless Steel)
• Corrosion Resistance: Exceptional performance in saltwater, acidic, and chemical exposure
• Head Style: Hex Cap for easy, secure fastening
• Compliance: Meets A4-70 stainless steel standards
• RoHS Compliant: Lead-free, environmentally safe, and non-toxic

Why Choose 316 (A4) Marine-Grade Stainless Steel?

316 stainless steel (also known as A4 stainless) is engineered for extreme environments, offering enhanced resistance to saltwater, acids, and chlorides. Benefits include:

• Maximum Corrosion Protection: Ideal for marine, offshore, and high-salinity environments.
• High Tensile Strength: Designed for heavy-duty use in industrial applications.
• Superior Resistance to Chemicals: Ideal for use in chemical plants and processing facilities.

Industries & Applications

• Marine & Offshore Projects: Built to withstand exposure to saltwater and harsh marine conditions.
• Chemical & Industrial Processing: Resistant to corrosive chemicals and high-humidity environments.
• Food & Beverage Manufacturing: Provides a non-reactive, sanitary fastening solution.
• Construction & Infrastructure: Used in bridges, structural supports, and extreme weather applications.
• Heavy Machinery & Equipment: Withstands intense mechanical stress and environmental factors.

Installation Tips

• Use the Correct Wrench Size: Ensures a secure, damage-free installation.
• Apply Anti-Seize Lubricant: Prevents galling and seizing of stainless steel fasteners.
• Ensure Proper Torque: Follow manufacturer torque specifications for best performance.

Bulk Purchasing Advantages

• Cost Savings: Bulk purchases lower per-unit costs for large-scale projects.
• Consistent Quality: All bulk orders come from the same production batch for uniform performance.
• Reliable Inventory: Ensures project timelines stay on track with readily available stock.
• Designed for Professionals: Trusted by contractors, marine engineers, and industrial fabricators.

Order in Bulk & Save

Ensure your project is built to last with bulk 1-1/4"-7 UNC 316 (A4) Marine-Grade Stainless Steel Hex Cap Screws. Designed for marine, chemical, and heavy-duty industrial applications. Order now for bulk discounts, fast shipping, and top-rated customer support.

✔️ Best for marine, offshore, and industrial applications

✔️ Rust-resistant 316 (A4) stainless steel for superior longevity

✔️ Coarse-thread UNC design for secure fastening