Stainless steel screws Hs Code

Stainless steel screws harmonized system code

Product Overview Stainless steel screws classified under HS Code 731815 are fastening devices manufactured primarily from corrosion-resistant stainless steel alloys, designed to provide durable mechanical joining solutions in various industrial applications. These screws exhibit precise physical specifications including diameters ranging typically from M1.6 to M12, lengths from 5 mm to 100 mm, and thread pitches conforming to ISO metric standards. The manufacturing process involves cold heading, thread rolling, and passivation treatments to ensure enhanced surface finish and resistance to oxidation and chemical exposure. HS Code 731815 encompasses self-tapping screws, tapping screws, and other screws with heads of iron or steel, specifically excluding those with non-ferrous metal heads. Commercially, these stainless steel screws are extensively utilized in food service equipment, retail fixtures, and processing machinery where hygiene, corrosion resistance, and mechanical reliability are paramount. Their compliance with international quality standards such as ASTM A2/A4 and ISO 3506 ensures consistent performance, positioning them competitively in global markets that demand high-quality, standardized fastening solutions. HS Code Classification & Trade Specifications The HS Code 731815 is structured hierarchically as follows: Chapter 73 (Articles of iron or steel), Heading 7318 (Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel), and Subheading 731815 (Screws with heads of iron or steel, threaded all over or partially). This classification is based on the product’s material composition and functional characteristics as fastening hardware with headed designs. Trade considerations for these screws include packaging in bulk quantities typically ranging from 1 kg to 25 kg, using moisture-resistant, sealed cartons or polybags to prevent corrosion during transit. Preservation methods may involve application of light oil coatings or passivation to maintain surface integrity. Shipping requirements adhere to international logistics standards, ensuring safe handling and minimal contamination risk. Quality inspections align with ISO 9001 quality management systems and comply with WTO trade facilitation agreements, facilitating smooth customs clearance and regulatory compliance. These factors collectively support accurate customs documentation and efficient international trade operations.

Stainless steel screws Chapter Note

1.- In this Chapter the expression “cast iron” applies to products obtained by casting in which iron predominates by weight over each of the other elements and which do not comply with the chemical composition of steel as defined in Note 1 (d) to Chapter 72. 2.- In this Chapter the word “wire” means hot or cold-formed products of any cross-sectional shape, of which no cross-sectional dimension exceeds 16 mm.