• Stainless Hex Cap Screws

Shop Stainless Steel Hex Cap Screws Online at South Coast Fasteners

South Coast Fasteners, Inc. supplies Stainless Steel Hex Cap Screws designed to resist corrosion and deliver long-lasting durability in tough outdoor and harsh environments. These fasteners are trusted in marine equipment, food processing, chemical handling, and structural projects where exposure to moisture and chemicals is common.

Built to withstand demanding conditions, Stainless Steel Hex Cap Screws offer strength and longevity without compromise. Their hex heads make installation easy with standard wrenches, combining reliable performance with the clean finish your project requires.

Order Premium Industrial Fasteners Today

Use the options below to order top-quality fasteners in the sizes and specifications you need. Questions about our fastener options? Contact our office in Anaheim, CA today, and our team will be happy to assist you. Whether you need repeat bulk orders or one-off small batch purchases, South Coast Fasteners has you covered for all your industrial fastener supplies.

Types of Stainless Steel Hex Cap Screws 

Stainless 18-8 HHCS, ASTM F593

Made from 18-8 stainless steel, these hex head cap screws offer excellent corrosion resistance and strength for general-purpose use. They meet ASTM F593 standards for quality and durability. Ideal for food processing, marine, and outdoor applications where protection from rust is essential.

Stainless 18-8 HHCS, Fully Threaded, ASTM F593

This fully threaded 18-8 stainless steel hex cap screw provides secure fastening along its entire length. Designed to ASTM F593 specifications, it delivers consistent performance in corrosive or wet environments. Commonly used in construction, marine, and mechanical assemblies where full engagement is required.

Stainless 304 B8 Heavy HHCS, ASTM A193 Class 1

Engineered from 304 stainless steel, this heavy-pattern hex head cap screw meets ASTM A193 Class 1 standards. It offers excellent corrosion and heat resistance for demanding industrial use. Frequently found in pressure vessels, piping systems, and high-temperature applications.

Stainless 316 HHCS, ASTM F593

Constructed from 316 stainless steel, this hex cap screw provides superior corrosion resistance—especially against chlorides and saltwater. Meeting ASTM F593 specifications, it ensures long-term durability in harsh or marine environments. Perfect for chemical processing, offshore, and marine hardware applications.

Stainless 316 HHCS, Fully Threaded, ASTM F593

This fully threaded 316 stainless steel hex cap screw combines strength, full engagement, and unmatched corrosion protection. It meets ASTM F593 requirements, ensuring consistent quality and performance. Used in marine, food-grade, and industrial installations requiring secure, rust-proof fastening.

Stainless 316 B8M Heavy HHCS, ASTM A193 Class 1

Manufactured from 316 stainless steel to ASTM A193 Class 1 standards, this heavy hex cap screw provides maximum corrosion and chemical resistance. The B8M designation ensures superior performance in high-temperature and high-pressure environments. Common in power generation, petrochemical, and marine engineering applications.

Stainless Steel Hex Cap Screws - Material Options

South Coast Fasteners stocks stainless steel hex cap screws in two durable stainless grades, both chosen for their corrosion resistance, strength, and clean appearance in demanding environments. Whether you're working in a wet, food-safe, or marine setting, these options deliver the performance and longevity you need.

Stainless Steel 18-8

This widely used stainless option provides excellent corrosion resistance, moderate strength, and long-lasting reliability. Made primarily from iron, chromium, and nickel, 18-8 stainless is suitable for both indoor and outdoor applications where exposure to moisture or mild chemicals is expected. Commonly used in food processing equipment, HVAC systems, and general construction, these screws offer a clean finish and rust-resistant performance in most environments.

Stainless Steel 316

This marine-grade stainless steel offers superior corrosion protection in saltwater, acidic, or high-moisture environments. With the addition of molybdenum, 316 stainless performs exceptionally well in coastal construction, chemical processing, and medical equipment where resistance to chloride and chemical attack is critical. It is the top choice when longevity and environmental resistance are non-negotiable.

Why Choose South Coast Fasteners?

South Coast Fasteners offers dependable stainless steel fastening solutions backed by years of experience, quick service, and a deep inventory. Whether you’re dealing with corrosive environments or just want a clean, professional finish, we have Stainless Steel Hex Cap Screws that won’t let you down.

Shop Stainless Steel Hex Cap Screws Online at South Coast Fasteners

Ordering Stainless Steel Hex Cap Screws is simple with South Coast Fasteners. Browse our online selection and order confidently. Need help with sizing, specs, or choosing the right fit? We’re here to support you every step of the way.