Finished Hex Nuts

Types of Finished Hex Nuts We Offer

Grade 2 Hex Nut, Plain

Grade 2 plain hex nuts are everyday fasteners made from low-carbon steel. They are designed for general-purpose use in light-duty applications such as home construction, furniture assembly, and simple mechanical projects. Their plain finish makes them affordable and easy to use where corrosion resistance is not a concern.

Grade 2 Hex Nut, Zinc CR+3

These nuts are built with the same low-carbon steel strength as plain Grade 2 but include zinc clear plating for basic corrosion resistance. They are a common choice in automotive interiors, HVAC systems, and light construction where moisture protection extends service life. The zinc finish also creates a cleaner appearance for exposed assemblies.

Grade 2 Hex Nut, Zinc Yellow CR+6

Grade 2 zinc yellow nuts combine standard fastening strength with enhanced corrosion resistance. The bright yellow finish provides both protection and visibility, making them useful in electrical installations, assembly lines, and equipment manufacturing. They are valued where easy identification and durability matter.

Grade 2 Hex Nut, HDG

Hot-dip galvanized Grade 2 nuts are designed for outdoor and rugged environments. The thick zinc coating guards against rust and weathering, making them dependable in fencing, utility structures, and agricultural equipment. They provide long-term durability in applications where exposure to the elements is constant.

Grade 5 Hex Nut, Plain

Grade 5 plain nuts are medium-strength fasteners suitable for automotive repair, machinery, and construction. Made from quenched and tempered carbon steel, they offer more load capacity than Grade 2 while remaining versatile and cost-effective. They are often chosen where coatings are unnecessary or the environment is controlled.

Grade 5 Hex Nut, Zinc CR+3

These nuts pair Grade 5 strength with zinc clear plating for added resistance to moisture and corrosion. They are common in transportation, industrial machinery, and commercial equipment. The zinc finish helps ensure long service life while maintaining reliable thread engagement.

Grade 5 Hex Nut, Zinc Yellow CR+6

Grade 5 zinc yellow nuts provide moderate strength with a bright protective finish. Their coating enhances corrosion resistance and makes the fastener easy to spot during inspection. These are popular in electrical systems, construction, and assembly work where both durability and visibility are key.

USA Grade 5 Hex Nut, Plain

USA-manufactured Grade 5 plain nuts guarantee domestic quality and compliance. They are relied on for government contracts, infrastructure builds, and energy projects that specify American-made materials. Their strength and reliability make them a trusted option for demanding applications.

USA Grade 5 Hex Nut, Zinc CR+3

These nuts are produced in the USA and coated with zinc clear plating for environmental protection. They combine Grade 5 strength with corrosion resistance, making them useful in construction, mechanical, and industrial applications. Domestic sourcing ensures compliance with Buy American requirements.

Grade 8 Hex Nut, Plain

Grade 8 plain nuts are hardened fasteners designed for high-strength connections. They are used in mining equipment, construction machinery, and heavy-duty structural assemblies. Their plain finish is best suited for dry or protected environments where coatings are unnecessary.

Grade 8 Hex Nut, Zinc CR+3

These high-strength nuts include a zinc clear finish to protect against corrosion. They are widely applied in aerospace, transportation, and heavy equipment where strength and environmental protection are both required. The finish helps extend service life without sacrificing load capacity.

Grade 8 Hex Nut, Zinc Yellow CR+6

Grade 8 zinc yellow nuts combine top-level strength with a highly visible, protective coating. They are often chosen for bridge construction, industrial machinery, and outdoor projects where durability and fastener visibility are priorities. Their CR+6 finish offers added insurance against corrosion.

USA Grade 8 Hex Nut, Plain

USA Grade 8 plain nuts are made domestically to meet stringent quality standards. They are a staple in infrastructure, defense, and energy projects where American sourcing is required. Their hardened construction ensures performance in critical, high-load environments.

USA Grade 8 Hex Nut, Zinc Yellow CR+3

These USA-made nuts provide Grade 8 strength with zinc clear plating for corrosion protection. They are used in construction, industrial plants, and equipment manufacturing where compliance with domestic sourcing rules is mandatory. They balance durability, strength, and regulatory requirements.

Grade 8 High Nut, Hardened, Plain

High-pattern Grade 8 nuts are thicker than standard versions, giving added thread engagement and holding strength. They are hardened for maximum load capacity, making them essential in military equipment, heavy construction, and demanding industrial machinery. Their plain finish suits indoor or protected applications.

Finished Hex Nut, Left Hand, Plain

Left-hand nuts are designed with reversed threading, making them resistant to loosening in rotating assemblies. They are typically used in automotive systems, pulleys, and specialized machinery. The plain finish provides an economical option for use in protected environments.

Finished Hex Nut, Left Hand, Zinc CR+3

These left-hand nuts feature zinc clear plating for added protection against corrosion. They are used in mining, manufacturing, and mechanical systems where vibration could loosen a right-hand thread. The plating ensures dependable performance in environments exposed to moisture or wear.

Metric Class 6 Hex Nut, DIN 934, Zinc CR+3

Metric Class 6 zinc clear nuts meet DIN 934 standards for light-duty fastening. Their CR+3 plating provides corrosion resistance, making them reliable in consumer goods, light equipment, and European machinery. They balance affordability with consistent performance.

Metric Class 8 Hex Nut, DIN 934, Plain

These metric nuts are manufactured to DIN 934 standards in Class 8 strength. They are used widely in automotive, machinery, and construction across Europe and international markets. Their plain finish makes them ideal for indoor or dry environments.

Metric Class 8 Hex Nut, DIN 934, Zinc CR+3

Metric Class 8 zinc clear nuts combine mid-strength fastening with corrosion protection. They are often applied in automotive repair, equipment manufacturing, and mechanical systems. Their finish ensures longer service life where moisture or wear is present.

Metric Class 8 Hex Nut, DIN 934, Zinc Yellow CR+6

These nuts offer Class 8 strength with zinc yellow plating for added protection and visibility. They are chosen for electrical assemblies, industrial equipment, and construction projects where easy identification of fasteners is helpful.

Metric Class 10 Hex Nut, DIN 934, Plain

Metric Class 10 plain nuts are high-strength fasteners designed for maximum load applications. They are used in heavy machinery, industrial systems, and demanding construction work. Their plain finish suits applications in controlled, dry environments.

Metric Class 10 Hex Nut, DIN 934, Zinc CR+3

These Class 10 nuts feature a zinc clear finish for protection against corrosion. They are used in aerospace, automotive, and infrastructure projects requiring both strength and environmental resistance. Their compliance with DIN 934 ensures consistency in international applications.

Metric Class 10 Hex Nut, DIN 934, Zinc Yellow CR+6

Metric Class 10 zinc yellow nuts provide top-tier fastening strength with added visibility and corrosion resistance. They are relied on in large-scale construction, outdoor equipment, and industrial projects where strength, protection, and inspection clarity are vital.

Material Options

South Coast Fasteners stocks finished hex nuts in a variety of material grades, each chosen to balance performance, cost, and application needs. Selecting the right material ensures long-term durability and the ability to meet industry specifications.

Low Carbon Steel (Grade 2)

Low carbon steel hex nuts provide dependable performance in everyday fastening where extreme strength is not required. They are economical, easy to use, and suitable for general-purpose assembly across residential and commercial settings.

Medium Carbon Steel, Quenched and Tempered (Grades 5 and 8)

Medium carbon steel finished hex nuts undergo heat treatment to increase hardness and tensile strength. These materials are the standard choice in automotive, structural steel, and mechanical assemblies requiring strength and reliability.

Alloy Steel (Hardened Applications)

Alloy steel is selected for its toughness and resistance to deformation. It is commonly applied in high-stress assemblies such as structural beams, heavy machinery, and construction equipment where safety is paramount.

Available Finishes

South Coast Fasteners offers finished hex nuts in multiple finishes to ensure both protection and performance in a wide range of industries. Finishes help resist corrosion, extend service life, and maintain the integrity of bolted connections.

Plain

Plain finished hex nuts are untreated, allowing for clean threading and easy installation. They are typically used in dry, indoor settings or where protective coatings are unnecessary.

Zinc Clear CR+3

Zinc clear plating provides a clean silver-blue appearance and corrosion resistance. This finish is widely used in automotive, HVAC, and general industrial environments where both aesthetics and protection are valued.

Zinc Yellow CR+6

Zinc yellow plating offers enhanced corrosion resistance with a bright yellow-gold appearance. It is a common finish in construction and electrical industries where visibility and protective performance are needed.

Hot-Dip Galvanized

Hot-dip galvanized hex nuts are coated with a thick layer of zinc, providing excellent corrosion resistance. They are commonly used in structural steel, outdoor construction, and infrastructure where long-term durability is essential.

Why Choose South Coast Fasteners?

At South Coast Fasteners, our focus is on providing finished hex nuts that deliver confidence in every application. We combine industry knowledge with a wide inventory, ensuring our customers have access to reliable fastening solutions. From everyday hardware to heavy-duty industrial use, our team supports your projects with practical expertise and dependable service.

Order Finished Hex Nuts Online Today

Order finished hex nuts online today with South Coast Fasteners and get the right size, grade, and finish delivered quickly. Whether you need bulk quantities for industrial use or specific sizes for construction and repair, our online ordering process makes it simple. With trusted support and a fully stocked inventory, your fastening needs are always covered.