Stainless Steel Lag Screw 5/16-18 x 3 Inch
A heavy-duty lag screw with coarse 5/16-18 threads and pointed end, made from 304 stainless steel for outdoor decking and timber framing. Classified under HTS 7318.19.00.00 as 'other' threaded articles, not qualifying as coach screws due to hex head design. Its corrosion resistance suits marine and exposed environments.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If qualifying as a coach screw with tapered shank
Coach screws for wood with specific taper fall under 7318.12, separate from general lag types.
If sold with matching nuts as a set
Threaded articles with nuts may classify as sets under 7318.22 if not individually identifiable.
If for structural use in buildings
Screws integral to building structures shift to Chapter 73 provisions for fabricated steel articles.
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Import Tips & Compliance
• Include material certification (e.g
• 304 SS) to claim lower duties; unverified stainless may default to higher carbon steel rates
• Ensure declaration specifies 'lag screw' to distinguish from coach screws, avoiding reclassification
• Bundle in original manufacturer packaging to demonstrate commercial quantity and prevent retail set scrutiny
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