Shop Metric Stainless Coupling Nuts Online at South Coast Fasteners

South Coast Fasteners, Inc. supplies metric stainless coupling nuts manufactured to DIN 6334 standards for strength and corrosion resistance. Coupling nuts are elongated hex nuts designed to connect two threaded rods or studs, allowing for extended fastening lengths. Stainless steel coupling nuts provide durability in demanding environments, making them essential for construction, marine, and industrial projects. South Coast Fasteners offers stainless coupling nuts in both A2 and A4 stainless grades to meet a range of performance and environmental requirements.

Get Consistent Performance and Great Pricing at South Coast Fasteners

Use the options below to find the fasteners you need in the quantities required for your application. Questions? Contact us today, and our team will gladly assist you in finding the best fastening solutions for your requirements. With South Coast Fasteners, you can count on helpful support, competitive pricing, and top-quality products for all your fastener requirements.

Types of Metric Stainless Coupling Nuts

Metric Stainless A2 70 Hex Coupling Nut, DIN 6334

These A2 70 stainless coupling nuts provide solid strength and dependable resistance to corrosion in general outdoor and indoor environments. Their elongated hex design makes them easy to tighten with standard tools while ensuring a secure connection between threaded rods. They are frequently used in architectural, mechanical, and structural applications. With their polished stainless finish, they also maintain a clean appearance in visible assemblies.

Metric Stainless A4 (316) Coupling Nut, DIN 6334

Made from 316 stainless steel, these coupling nuts provide the highest level of protection against saltwater and aggressive chemicals. They are indispensable in marine, offshore, and chemical processing environments where standard materials would quickly corrode. Their long hexagonal profile allows for strong, reliable joining of threaded rods in structural and heavy-duty applications. These coupling nuts deliver both strength and maximum resistance in the harshest conditions.

Metric Stainless Coupling Nuts - Material Options

South Coast Fasteners stocks metric stainless coupling nuts in A2 and A4 stainless grades, ensuring performance in both standard and highly corrosive environments.

Stainless Steel A2 (70)

A2 stainless provides dependable corrosion resistance and strength for most outdoor and general industrial uses. It is widely applied in construction, architectural projects, and equipment where rust prevention is important. These nuts balance cost efficiency with reliable performance.

Stainless Steel A4 (316)

A4 stainless delivers superior resistance to chlorides and harsh chemicals, making it the top choice for marine and offshore projects. It provides long service life even in saltwater or chemically aggressive environments. These nuts ensure assemblies remain secure and maintenance-free under demanding conditions.

Why Choose South Coast Fasteners?

South Coast Fasteners is a trusted supplier of stainless coupling nuts that combine strength, corrosion resistance, and long-term performance. With decades of experience, we provide products manufactured to strict standards and expert support to help customers select the right solution. Our reliable stock and quick delivery make us a dependable partner for industries nationwide.

Shop Metric Stainless Coupling Nuts Online at South Coast Fasteners

Order metric stainless coupling nuts from South Coast Fasteners with confidence knowing that stock is always available. Our easy ordering process ensures you can quickly select the right grade, size, and finish. Whether for construction, marine, or industrial applications, we deliver fast with professional support every step of the way.