High-Strength Alloy Steel Washer Grade 8
Heat-treated alloy steel washer compatible with Grade 8 bolts for high-stress applications like heavy machinery. Classified in HTS 7318.22.00.00 as a non-threaded steel washer, emphasizing strength over type (flat/beveled).
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If threaded variant of same washer
Threaded washers fall under distinct non-threaded vs. threaded subheadings.
If parts for mining machinery
Specific end-use in heavy equipment classifies under machinery chapters.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide mechanical property certifications (tensile strength >150 ksi) for duty assessment
• Separate from bolts in shipments to prevent assembly classification
• Watch for alloy surcharges based on melt origin
Related Products under HTS 7318.22.00.00
Stainless Steel Fender Washer 1/4 Inch
A large outer diameter stainless steel washer used in construction and outdoor applications to provide extra bearing surface on soft materials like wood. Classified under HTS 7318.22.00.00 as a non-threaded 'other washer' of steel, not featuring spring action. Corrosion-resistant 304 grade for marine and roofing uses.
Beveled Steel Washer for Wood Decking
Conical-shaped steel washer that sits flush on wood surfaces for lag screw applications in decking. Falls under HTS 7318.22.00.00 as an 'other' non-threaded washer of steel, valued for load distribution on uneven surfaces.
Marine Grade 316 Stainless Flat Washer
Type 316 stainless steel flat washer for saltwater environments, offering superior corrosion resistance. HTS 7318.22.00.00 covers it as a non-threaded steel washer for marine hardware.
Hardened Steel Internal Tooth Lock Washer Alternative
Tooth-pattern steel washer providing bite for vibration resistance, but classified as 'other washer' if non-spring. Under HTS 7318.22.00.00 for non-standard non-threaded designs.
Zinc-Plated Finishing Washer M8
Small OD washer for clean finishes in furniture assembly, zinc-plated steel. HTS 7318.22.00.00 as non-threaded.
Heavy Hex Steel Washer 3/4 Inch
Hex-shaped large washer for structural bolts, steel construction grade.