Having shanks or threads with a diameter of 6 mm or more
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: > Other: > Having shanks or threads with a diameter of 6 mm or more
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)
Subheadings
Products classified under HTS 7318.15.80
M10 Hex Head Cap Screw
A fully threaded steel bolt with a hexagonal head, featuring an M10 thread diameter of 10 mm, used for heavy-duty fastening in machinery and construction. It falls under HTS 7318.15.80 due to its shank/thread diameter exceeding 6 mm and classification as an other screw or bolt of iron or steel. Often sold with matching nuts and washers for secure assembly.
Grade 8.8 M12 Carriage Bolt
A round-head steel carriage bolt with square neck and M12 (12 mm) threads, ideal for woodworking and structural applications where rotation prevention is needed. Classified in HTS 7318.15.80 for its large shank diameter and status as an other bolt of iron or steel. Typically includes nut for through-bolting.
Grade 10.9 M10 Eye Bolt
Forged steel eye bolt with M10 threaded shank (10 mm) and closed eye for lifting and rigging applications. High-tensile grade 10.9 for overhead loads. HTS 7318.15.80 for large shank threaded articles.
M18 Structural Bolt A325
High-strength A325 steel bolt with M18 threads for steel building frameworks, heavy tension connections. Diameter 18 mm exceeds 6 mm threshold. HTS 7318.15.80 covers these other large bolts.
M14 Plow Bolt
Counterbored flat head bolt with M14 (14 mm) threads for agricultural and earth-moving equipment wear parts. Prevents spin-out under vibration. HTS 7318.15.80 for large shank other bolts.
M16 U-Bolt
Semi-circular threaded rod bent into U-shape with M16 parallel threads (16 mm diameter) for pipe clamps and suspension systems. Double-ended for nuts. HTS 7318.15.80 as large threaded other article.
M12 Step Bolt
Utility pole step bolt with 12 mm shank, hex head, and tapered point for lineman climbing irons. Hot-dip galvanized steel. Classifies under HTS 7318.15.80 for >6 mm threaded bolts.
M18 Hanger Bolt
Dual-end bolt with M18 machine thread one end, lag thread other for suspending pipes/lighting from wood/metal. 18 mm diameter. HTS 7318.15.80 threaded other articles.
M10 D-Shackle Bolt
Threaded pin for D-shackle connectors, M10 diameter (10 mm), used in chain assemblies and towing. Steel forged for marine/rigging. HTS 7318.15.80 >6 mm threaded.
M16 Anchor Bolt
Heavy-duty steel anchor bolt with M16 (16 mm) threads and L-bend or hook end for embedding in concrete foundations. Used in construction for securing structural steel. HTS 7318.15.80 applies to its large-diameter threaded shank as an other bolt.
M20 Hex Lag Bolt
Coarse-threaded hex-head lag screw with 20 mm diameter shank for heavy timber framing and decking. Steel construction for high-load wood-to-wood or wood-to-steel joints. Fits HTS 7318.15.80 as other large-diameter screw/bolt.
M12 Flange Bolt
Hex head bolt with integrated flange washer and M12 (12 mm) threads, distributing load in automotive and machinery assemblies. Zinc-plated steel for corrosion resistance. Under HTS 7318.15.80 for other bolts >6 mm diameter.
M22 Heavy Hex Bolt
Oversized hex head bolt with 22 mm diameter threads for mining equipment and large machinery. Designed for extreme torque applications. Classifies in HTS 7318.15.80 as other screw/bolt >6 mm.
M10 Socket Head Cap Screw
Cylindrical head Allen screw with M10 internal hex drive and full 10 mm threading for precision machinery. Alloy steel for high fatigue resistance. Fits HTS 7318.15.80 large diameter category.
M20 Track Bolt
Heavy rail clip bolt with M20 oval head and threads for securing railroad ties to tracks. High-carbon steel for impact resistance. HTS 7318.15.80 large shank other bolts.