Shop Metric Stainless Locknuts Online at South Coast Fasteners

South Coast Fasteners, Inc. supplies metric stainless locknuts engineered for strength, durability, and resistance to loosening under vibration. Manufactured to DIN 985, DIN 6923, and DIN 6926 standards, these nuts feature designs such as nylon inserts, serrated flanges, and prevailing torque to ensure a secure fit. Stainless locknuts are valued in marine, construction, automotive, and machinery industries where corrosion resistance is critical. South Coast Fasteners offers stainless locknuts in both A2 and A4 grades to deliver performance across a wide range of applications.

Shop Smart and Save with Metric Fasteners from South Coast Fasteners

If you're looking for a trusted supplier of wholesale industrial fasteners, South Coast Fasteners is your solution. Contact our Anaheim, CA office to learn more about our product options and how we can support your project needs. For helpful service, fast order turnaround, and high-quality fasteners in bulk or small batches, choose South Coast Fasteners.

Types of Metric Stainless Locknuts

Metric Stainless A2 70 Nylon Insert Thin Locknut, DIN 985

These A2 70 stainless nylon insert thin locknuts provide strength with added vibration resistance. The nylon insert grips threads tightly, reducing the chance of loosening during operation. Their thin profile makes them ideal for compact assemblies where space is limited. They are widely used in machinery, automotive, and equipment applications.

Metric Stainless A4 70 Nylon Insert Thin Locknut, DIN 985

Made from A4 70 stainless steel, these locknuts offer superior corrosion resistance while providing secure fastening. The nylon insert creates friction that resists loosening under vibration or movement. Their thin design allows them to be used in tight spaces without compromising strength. These nuts are frequently applied in marine, offshore, and chemical projects.

Metric Stainless A4 80 Nylon Insert Thin Locknut, DIN 985

These A4 80 nylon insert thin locknuts provide the highest tensile strength in stainless steel while maintaining corrosion resistance. The nylon insert secures bolts under vibration, making them ideal for demanding environments. Their compact profile is designed for space-limited assemblies. They are often chosen for heavy machinery and marine projects where both strength and resistance are required.

Metric Stainless A2 (18-8) Nylon Flange Locknut, Non Serrated, DIN 6926

These A2 stainless locknuts combine nylon insert security with a flange that spreads load evenly across the surface. The non-serrated design protects surfaces while providing stable fastening. They are commonly used in equipment, construction, and outdoor assemblies. Their stainless steel construction ensures long-term rust resistance.

Metric Stainless A2 (18-8) Hex Serrated Flange Locknut, DIN 6923

These serrated flange locknuts are manufactured from A2 stainless steel, offering rust resistance and strength. The serrations grip the surface to prevent loosening under vibration. They are widely used in automotive and machinery assemblies where durability and anti-vibration properties are needed. Their design eliminates the need for separate washers.

Metric Stainless A4 (316) Hex Serrated Flange Locknut, DIN 6923

Made from A4 316 stainless steel, these serrated flange locknuts provide maximum corrosion protection. The serrations ensure the nut remains secure in high-vibration environments. They are especially valuable in marine and chemical industries where both strength and corrosion resistance are required. Their flange design adds stability and ease of installation.

Metric Stainless A2 (18-8) Hex Non Serrated Flange Nut, DIN 6923

These non-serrated flange nuts distribute load evenly without biting into the surface. Made from A2 stainless steel, they provide dependable corrosion resistance along with moderate strength. They are used in machinery, construction, and general-purpose fastening where vibration is limited. Their smooth flange helps protect surfaces from wear.

Metric Stainless A2 70 External Tooth K Lock Hex Locknut

These external tooth locknuts feature teeth that bite into the mating surface to prevent loosening. Made from A2 70 stainless steel, they combine corrosion resistance with secure holding power. The locking action makes them effective in assemblies exposed to vibration. They are frequently used in equipment, machinery, and outdoor projects where extra grip is needed.

Metric Stainless Locknuts - Material Options

South Coast Fasteners stocks stainless locknuts in both A2 and A4 stainless grades to support a range of environments.

Stainless Steel A2 (18-8)

A2 stainless offers dependable strength and corrosion resistance, making it suitable for general outdoor, machinery, and food-grade applications. These nuts are widely used where cost efficiency and rust resistance are both important.

Stainless Steel A4 (316)

A4 stainless provides maximum corrosion resistance against chlorides and harsh chemicals. It is the preferred material for marine, offshore, and chemical plant environments. These nuts ensure long service life in aggressive conditions.

Why Choose South Coast Fasteners?

South Coast Fasteners is trusted by industries nationwide for locknuts that deliver performance and reliability. With decades of experience, we provide fasteners that meet strict standards while offering expert guidance. Customers count on us for dependable stock, fast delivery, and products that perform under stress and exposure.

Shop Metric Stainless Locknuts Online at South Coast Fasteners

Order metric stainless locknuts from South Coast Fasteners with confidence knowing that stock is always available. Our streamlined ordering process makes it easy to choose the right grade, size, and style. Whether for marine, automotive, or construction projects, we deliver quickly with expert support every time.