Bulk 1/4"-20 UNC Hex Cap Screws (Coarse Thread, 316 Marine Grade Stainless Steel)

Marine-Grade Stainless Steel Screws for Harsh Environments & Industrial Use

Upgrade your fastening solutions with 1/4"-20 UNC Hex Cap Screws, crafted from high-quality 316 (A4) marine-grade stainless steel. These coarse-thread screws offer superior corrosion resistance, making them the ideal choice for marine, industrial, chemical processing, and outdoor applications where exposure to moisture, salt, and chemicals is a concern.

Note – PT = Partial Thread

Key Specifications

• Material: 316 (A4) Marine-Grade Stainless Steel – Maximum corrosion resistance
• Tensile Strength: High-strength durability for extreme environments
• Thread Size: 1/4"-20 Coarse Thread (UNC)
• Finish: Natural Stainless Steel (Non-Coated)
• Corrosion Resistance: Excellent performance in saltwater, acidic, and high-humidity conditions
• Head Style: Hex Cap for secure and easy 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 chemical processing applications.
• High Strength & Longevity: Designed for durability in extreme conditions.
• Superior Resistance to Chemicals: Ideal for use in chemical plants and industrial processing.

Industries & Applications

• Marine & Offshore Projects: Perfect for shipbuilding, docks, and saltwater environments.
• Chemical Processing & Industrial Plants: Resists harsh chemicals and high-corrosion conditions.
• Food & Beverage Manufacturing: Ideal for sanitary environments requiring non-reactive fasteners.
• Construction & Infrastructure: Used in bridges, structural supports, and corrosion-prone areas.
• Outdoor & Heavy Machinery: Withstands weather exposure and high-stress applications.

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 1/4"-20 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, chemical, and industrial applications

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

✔️ Coarse-thread UNC design for secure fastening