USS Flat Washers Bulk
Overview
USS flat washers are general-purpose washers manufactured to United States Standard (USS) dimensions. Designed to distribute load and reduce surface damage under bolt heads and nuts, USS washers are widely used in construction, equipment assembly, agricultural machinery, and industrial applications.
Offshore Milling & Sourcing supports bulk and factory-direct sourcing programs for USS flat washers, serving distributors, OEM manufacturers, steel fabricators, and procurement teams requiring dependable supply and competitive volume pricing.
We provide scalable sourcing solutions aligned with container programs, recurring orders, and secondary supplier strategies.
Specifications
- Standard: USS (United States Standard)
- Dimensional Reference: ANSI / ASME B18.21.1
- Inside Diameter: Sized for standard bolt diameters
- Outside Diameter: Larger OD than SAE washers
- Thickness: Standard USS thickness range
- Fit Type: General industrial fit
- Configuration: Flat washer, non-hardened (hardened available upon request)
Materials
- Low Carbon Steel
- Hardened Carbon Steel (upon request)
- Stainless Steel 304
- Stainless Steel 316
- Alloy Steel (special applications)
Finish & Coating Options
- Zinc Plated (Clear Zinc)
- Hot-Dip Galvanized
- Plain Finish
- Mechanical Galvanized
- Black Oxide
- Stainless Steel (Corrosion Resistant)
- Custom Coating Solutions Available
Finish selection is typically driven by environmental exposure and project specification.
Dimensional & Variation Capabilities
We support a wide range of USS washer configurations:
- Standard bolt-matching diameters
- Heavy thickness variations
- Hardened washer options
- Custom OD and thickness per print
- Structural washer programs
- Private label packaging
Industries Served
- Construction & Steel Fabrication
- Agricultural Equipment
- Industrial Manufacturing
- Equipment Assembly
- Infrastructure Projects
- Maintenance & Repair Operations (MRO)
- Industrial Distribution
Applications
- Load distribution under bolt heads
- Surface protection
- Structural fastening assemblies
- Equipment mounting
- General-purpose fastening systems
USS flat washers are commonly paired with hex bolts, carriage bolts, and structural fasteners in bulk fastening assemblies.
Strategic Sourcing Capabilities
Washers are high-volume, margin-sensitive components often sourced in container quantities.
Offshore Milling & Sourcing supports:
- Factory-direct bulk programs
- Container consolidation with bolts and nuts
- Secondary supplier sourcing
- Volume-based pricing strategies
- Lead-time stabilization
- Mixed SKU import programs
We frequently assist distributors and OEMs seeking improved cost structure and reliable supply continuity.
Volume & Packaging Options
- Bulk cartons
- Palletized shipments
- Mixed SKU container programs
- Scheduled recurring imports
- Custom-labeled packaging
Request a Quote
To request USS flat washer pricing, please provide:
- Inside diameter / bolt size
- Material
- Finish requirement
- Thickness (if specified)
- Quantity
- Delivery timeline
Specification sheets may be uploaded with your RFQ.
