M4 x 20mm Hex Head Cap Screw
Hexagonal headed bolt with M4 threading (4mm diameter) and 20mm length, carbon steel construction for general machinery assembly. Classified in 7318.15.60 as an 'other' bolt with shank diameter under 6mm.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically socket head type
Socket cap screws have dedicated provisions in 7318.15.20.
If designed for barbed wire fencing
Threaded fasteners for specific agricultural uses like barbed wire fall under Chapter 73 fencing articles.
If non-threaded rivets instead
Non-threaded versions classify as rivets under 7318.29.
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 detailed blueprints confirming shank/thread <6mm to avoid reclassification to larger sizes
• Label shipments clearly as 'machine screws/bolts' not wood screws to prevent Chapter 73 mix-ups
• Check for anti-dumping duties on steel fasteners from certain origins like China
Related Products under HTS 7318.15.60
M3 x 10mm Steel Machine Screw
A small precision machine screw with M3 threading (3mm diameter) and 10mm length, made of carbon steel, used for fastening in electronics and machinery. It falls under HTS 7318.15.60 due to its shank/thread diameter less than 6mm and classification as an other screw without specified heads or features.
M2.5 x 8mm Set Screw
Cylindrical set screw with M2.5 threading (2.5mm diameter), used to secure pulleys or gears without a head protruding. It qualifies for HTS 7318.15.60 as an other screw with threads under 6mm diameter.
M3.5 x 15mm Thumb Screw
Knurled wing thumb screw with M3.5 threading for hand-tightening in equipment panels, steel body under 6mm diameter. Falls under 7318.15.60 for other small-diameter threaded screws.
M4 x 12mm Self-Tapping Sheet Metal Screw
Self-tapping screw for thin sheet metal with M4 equivalent threading under 6mm, featuring pan head. Despite self-tapping feature, small size places it in HTS 7318.15.60 as other bolts/screws.
M2 x 6mm Electronics Chassis Screw
Black oxide finish machine screw M2 diameter for computer cases and PCBs, length 6mm. HTS 7318.15.60 applies to these small precision threaded steel articles.
M5 x 25mm Alloy Steel Socket Screw
High-strength alloy steel socket head cap screw M5 (5mm thread), for structural applications under 6mm limit. Classified as other screws in HTS 7318.15.60.