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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If functioning as masonry nails
Nail-like end-use without full threading changes chapter classification.
If for machine screw variants
Non-self-tapping threaded articles have separate 'other' provisions.
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
• Include torque test data showing self-tapping capability in technical documentation
• Declare heat treatment specs to confirm carbon steel composition
• Avoid palletizing with anchors to prevent 'set' classification issues
Related Products under HTS 7318.14.50.80
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.
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.
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.