Machine screws 9.5 mm or more in length and 3.2 mm or more in diameter (not including cap screws)
Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel: > Threaded articles: > Other screws and bolts, whether or not with their nuts or washers: > Machine screws 9.5 mm or more in length and 3.2 mm or more in diameter (not including cap screws)
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 7318.15.40.00
M6 x 50mm Zinc-Plated Steel Machine Screw
A cylindrical headed fastener with a uniform external thread, measuring 50mm in length and 6mm in diameter, made from carbon steel with zinc plating for corrosion resistance. It qualifies under HTS 7318.15.4000 as a machine screw exceeding 9.5mm length and 3.2mm diameter, excluding cap screws. Commonly used in machinery assembly for secure threading into tapped holes.
M8 x 75mm Black Oxide Alloy Steel Machine Screw
Precision machine screw from alloy steel, 75mm long with 8mm diameter, finished with black oxide coating for wear resistance. Meets HTS 7318.15.4000 criteria for machine screws due to size and uniform threading designed for metal mating. Essential for heavy equipment and automotive assemblies.
M10 x 100mm Stainless Steel A2-70 Machine Screw
Corrosion-resistant AISI 304 stainless steel machine screw, 100mm length, 10mm diameter with full metric threading. Classifies under HTS 7318.15.4000 for oversized machine screws used in marine and food processing equipment where rust prevention is critical.
M5 x 60mm Phillips Pan Head Machine Screw
Carbon steel machine screw with pan head and Phillips drive, 60mm length and 5mm diameter. Fits HTS 7318.15.4000 as it exceeds minimum size requirements for machine screws and features uniform external threading for tapped holes.
M12 x 120mm Yellow Zinc Hex Washer Head Machine Screw
Heavy-duty machine screw with integrated washer under hex head, 120mm long, 12mm diameter, yellow zinc plated. HTS 7318.15.4000 applies due to machine screw dimensions and threading, ideal for construction equipment.
M7 x 80mm Flat Head Torx Drive Machine Screw
Low-profile flat head machine screw with Torx drive for high torque, 80mm length, 7mm diameter from case-hardened steel. Meets HTS 7318.15.4000 size criteria and machine screw threading standards for electronics enclosures.
M9 x 90mm Button Head Socket Machine Screw
Rounded button head with internal socket drive, 90mm length, 9mm diameter alloy steel machine screw. Classifies under HTS 7318.15.4000 for machine screws meeting dimensional requirements, used in bicycle and furniture assembly.
M6 x 100mm Grade 8.8 Machine Screw
High tensile Grade 8.8 carbon steel machine screw, 100mm length, 6mm diameter with proof load marking. HTS 7318.15.4000 due to machine screw specifications and size, suitable for structural machinery applications.
M4 x 55mm Slotted Round Head Machine Screw
Classic slotted drive round head machine screw, 55mm long, 4mm diameter, bright zinc finish. Qualifies HTS 7318.15.4000 as oversized machine screw for legacy equipment restoration.
M8 x 65mm Oval Head Undercut Machine Screw
Oval countersunk head with undercut for flush mounting, 65mm length, 8mm diameter stainless steel. HTS 7318.15.4000 applies to this precision machine screw for aerospace and marine panels.