Description
Monster Overview
Fix your project right the first time with USS Flat Washers – Medium Carbon Thru-Hardened, Zinc CR+3 from Monster Bolts. These USA-made USS pattern washers feature a larger outside diameter than SAE washers, making them ideal for construction, structural applications, machinery, fabrication, and repair work.
Made from thru-hardened medium carbon steel, these washers provide a durable bearing surface under bolt heads and nuts to help distribute load and prevent surface damage. The Zinc CR+3 finish offers clean, bright corrosion resistance and is fully RoHS compliant. Perfect for applications where both strength and long-term durability matter.
Monster Features
- USS Pattern: Larger OD compared to SAE washers for greater load distribution.
- Medium Carbon Thru-Hardened: Provides increased strength and wear resistance.
- Finish: Zinc CR+3 plating for dependable corrosion resistance.
- RoHS Compliant: CR+3 plating fully meets RoHS guidelines.
- System: Inch / USS sizes for compatibility with standard fasteners.
- Made in USA: Manufactured domestically for consistent quality and specification reliability.
- Bulk Quantities: Perfect for contractors, fabrication shops, maintenance crews, and industrial users.
Monster Specifications
| Specification | Details |
|---|---|
| Washer Type | USS Flat Washer (large OD) |
| Pattern | USS – larger OD than SAE style |
| Material | Medium carbon steel, thru-hardened |
| Finish | Zinc CR+3 (RoHS compliant) |
| System of Measurement | Inch / USS |
| Country of Origin | Made in USA |
| RoHS Compliance | Zinc CR+3 plating is RoHS compliant |
| Sizes Available | Available in common USS washer sizes; select washer diameter and bulk quantity from the options above. |
More Monster Products
Matching Hardware: Pair these USS flat washers with our USA-made bolts and nuts featuring Zinc CR+3 finishes. Browse the full Made in USA Fasteners Collection for compatible hardware.
Order Yours Today
Upgrade your assemblies with strong, reliable USA-Made USS Flat Washers in medium carbon thru-hardened steel and a Zinc CR+3 finish. Choose your washer size and bulk quantity above, then click “Add to Cart” to stock up with Monster Bolts.