Flat Washers (Thru Hardened)

South Coast Fasteners supplies flat washers that are thru-hardened, designed to provide extra strength and durability in demanding applications. These washers undergo a heat-treating process that significantly increases their hardness, making them resistant to deformation and ideal for high-stress environments. Whether you call them thru-hardened or thru hardened washers, these products offer reliable performance where standard flat washers might fall short.

Your Supplier for High-Performance Industrial 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.

Material Options

South Coast Fasteners stocks thru-hardened flat washers in:

Medium Carbon Steel (both USS and SAE standards)
Heat-treated for increased hardness, strength, and resistance to deformation
Import versions of USS and SAE washers

Available Finishes

South Coast Fasteners offers thru-hardened flat washers with finishes including:

Plain
No coating, perfect for controlled environments or welding
Yellow Zinc Cr+6
Corrosion-resistant finish with a clean, bright look and high visibility

Why Choose South Coast Fasteners?

At South Coast Fasteners, we understand that strength matters, especially in structural and mechanical applications. Our thru-hardened flat washers are sourced to meet tough standards and provide dependable performance in high-load scenarios. We offer fast shipping, deep inventory, and expert support to keep your projects on track with the right components.

Order Flat Washers (Thru-Hardened) Online Today

Shop South Coast Fasteners for the thru-hardened flat washers that fit your specific needs. Browse our selection online or contact us for help with sizing, finishes, or bulk orders. We’re here to provide the quality and service you expect.