5/16-18 Stainless Steel Flange Round Head Bolt with Nut from China
5/16-inch (7.94mm) stainless steel bolt with integral round flange head for load distribution, includes nut. HTS 7318.15.20.51 applies to its stainless steel round head, >6mm shank, and bundled nut shipment. Popular in machinery mounting.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%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
9903.88.0325%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)
Import Tips
• Distinguish flange as head integral part, not washer, via cross-section diagrams in entry docs
• Pre-measure all samples for diameter compliance; fractional sizes must convert >6mm
• Avoid mixing with socket cap screws in same entry to prevent head shape confusion