6mm Hex Head Self-Drilling Tek Screw
Heavy-duty self-drilling screw with 6mm+ diameter threads and a hex head, featuring a drill point for penetrating metal up to 3mm thick without pre-drilling. Classified under HTS 7318.14.50.80 for self-tapping screws of iron/steel with large shank diameters, 'other' type.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If shank/thread diameter under 6mm
Subheading splits by size; smaller self-tappers have different statistical reporting.
If imported as complete drill bits with threading
Tools with integral drill points may classify under handtools rather than fasteners.
If for industrial machine-use variants
End-use as machinery parts shifts to 'other' threaded articles subheading.
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 engineering drawings showing drill point and thread specs to distinguish from machine screws
• Ensure Customs declaration matches invoice descriptions exactly to prevent holds on large shipments
Related Products under HTS 7318.14.50.80
6.3mm Phillips Drive Self-Tapping Concrete Screw
Hex washer head self-tapping screw with 6.3mm shank for direct fastening into masonry and concrete, featuring hardened tip for tapping threads. Classified in HTS 7318.14.50.80 for large-diameter self-tapping iron/steel screws, other types.
M6 Zinc-Plated Self-Tapping Wood Screw
A large-diameter self-tapping screw with a 6mm shank and thread diameter, zinc-plated for corrosion resistance, designed for heavy-duty wood applications like decking or timber framing. It falls under HTS 7318.14.50.80 as a self-tapping screw with shanks or threads 6mm or more in diameter, classified as 'other' within this category.
M8 Stainless Steel Self-Tapping Lag Screw
M8 coarse thread self-tapping lag screw made of stainless steel, ideal for securing heavy loads into wood or masonry without pilot holes. It qualifies for HTS 7318.14.50.80 due to its self-tapping design and shank diameter over 6mm, in the 'other' category.
12ga x 1-1/2" Large Diameter Sheet Metal Screw
12-gauge self-tapping sheet metal screw with over 6mm thread diameter and pan head, used for joining HVAC ductwork and roofing panels. Falls under HTS 7318.14.50.80 as 'other' self-tapping screws with qualifying large shank size.