All Metal Locknuts

South Coast Fasteners, Inc. supplies all metal lock nuts designed to provide a strong hold in demanding environments. Made entirely of metal with no nylon insert, these nuts lock securely by friction and deformation, making them ideal for high-temperature or heavy-vibration applications where traditional locking nuts might fail. You’ll find them in industrial machinery, automotive systems, and structural assemblies that need fastening without compromise.

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.

Material Options

South Coast Fasteners stocks all-metal lock nuts in:

Case Hardened Steel
Tough outer surface with a durable core for secure locking under load
Grade C (Grade 8) Steel
High-strength locking performance for heavy-duty structural and mechanical use
Grade G
Designed for high-temperature applications with controlled deformation and locking integrity
Low Carbon Steel
Economical and reliable for general-purpose locking where high strength isn’t required
Steel
Durable and versatile for everyday mechanical fastening with solid locking power

Available Finishes

South Coast Fasteners offers all-metal lock nuts in:

Black Phosphate & Oil
Phosphate & Oil
Zinc Cr+3
Zinc Cr+3 & Wax

Why Choose South Coast Fasteners?

South Coast Fasteners provides lock nuts that hold strong in tough conditions. With a variety of materials and finishes, we deliver the durability and performance you need to keep your projects secure and moving forward.

Order All-Metal Lock Nuts Online Today

South Coast Fasteners makes it easy to order all-metal lock nuts in the materials and finishes that fit your job. Browse our inventory online or reach out if you need help with sizes or bulk orders. We’re here to make sure your projects stay on schedule.