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Explore Bulk 5/16"-18 Unc Hex Cap Screws (coarse Thread, A2 18-8 Stainless Steel) Support Local [KCuY2hFe]

$22.99 $73.99 -69%

Explore Bulk 5/16"-18 Unc Hex Cap Screws (coarse Thread, A2 18-8 Stainless Steel) Support Local [KCuY2hFe] Corrosion-Resistant Stainless Steel Screws for Industrial & Marine Applications Upgrade your fastening solutions with 5/16"-18 UNC Hex Cap Screws, made from high-quality A

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Explore Bulk 5/16"-18 Unc Hex Cap Screws (coarse Thread, A2 18-8 Stainless Steel) Support Local [KCuY2hFe]

Explore Bulk 5/16"-18 Unc Hex Cap Screws (coarse Thread, A2 18-8 Stainless Steel) Support Local [KCuY2hFe]

Corrosion-Resistant Stainless Steel Screws for Industrial & Marine Applications

Upgrade your fastening solutions with 5/16"-18 UNC Hex Cap Screws, made from high-quality A2 (18-8) stainless steel. These coarse-thread screws provide superior corrosion resistance, making them ideal for marine, industrial, automotive, and outdoor applications.

Note – PT = Partial Thread

Key Specifications

  • Material: A2 (18-8) Stainless Steel – Excellent corrosion resistance
  • Tensile Strength: High durability for industrial use
  • Thread Size: 5/16"-18 Coarse Thread (UNC)
  • Finish: Plain (Natural Stainless Steel)
  • Corrosion Resistance: Superior performance in moisture, saltwater, and outdoor conditions
  • Head Style: Hex Cap for easy installation and secure fastening
  • Compliance: Meets A2-70 stainless steel standards
  • RoHS Compliant: Environmentally safe, lead-free, and non-toxic

Why Choose A2 (18-8) Stainless Steel?

A2 stainless steel (also known as 18-8 stainless) offers excellent strength and resistance to rust and corrosion. Benefits include:

  • Superior Corrosion Resistance: Ideal for outdoor, marine, and high-humidity environments.
  • High Strength & Durability: Strong tensile properties make it perfect for industrial use.
  • Rust-Proof & Weather-Resistant: Withstands exposure to moisture, chemicals, and oxidation.

Industries & Applications

  • Marine & Coastal Projects: Perfect for boat building, docks, and seaside structures.
  • Construction & Infrastructure: Secure stainless steel components in bridges and metal frameworks.
  • Automotive & Aerospace: Used in precision fastening for high-performance vehicles.
  • Food & Beverage Processing: Corrosion-resistant fasteners for sanitary environments.
  • Outdoor & Industrial Machinery: Ideal for applications requiring long-lasting durability.

Installation Tips

  • Use the Correct Wrench Size: A properly sized wrench ensures a secure and damage-free installation.
  • Apply Anti-Seize Lubricant: Prevents galling and ensures smooth tightening of stainless steel fasteners.
  • Ensure Proper Torque: Follow manufacturer torque specifications for optimal holding strength.

Bulk Purchasing Advantages

  • Cost Savings: Bulk purchases reduce per-unit cost, making large projects more economical.
  • Consistent Product Quality: All bulk orders come from the same production lot to ensure uniformity.
  • Reliable Supply: Maintain project timelines with readily available stock.
  • Designed for Professionals: Perfect for contractors, manufacturers, and industrial suppliers handling large-scale construction and infrastructure projects.

Order in Bulk & Save

Ensure your project is built to last with bulk 5/16"-18 UNC A2 (18-8) Stainless Steel Hex Cap Screws. Designed for marine, industrial, and high-strength applications. Order now for bulk discounts, fast shipping, and top-rated customer support.

✔️ Best for marine, industrial, and outdoor applications

✔️ Rust-resistant A2 (18-8) stainless steel for superior longevity

✔️ High-strength coarse thread design for secure fastening

What Our Customers Say

February 5, 2026

Absolutely no complaints!

The quality is outstanding. Very well made.

- Michael B..

February 5, 2026

Absolutely no complaints!

I'm extremely satisfied with the features.

- Frank Garcia.

February 5, 2026

Absolutely no complaints!

A brilliant piece of engineering.

- George King.

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