Iron or steel; threaded screws and bolts n.e.c. in item no. 7318.1, whether or not with their nuts or washers

HS v2017 Code: 731815

About iron or steel; threaded screws and bolts n.e.c. in item no. 7318.1, whether or not with their nuts or washers

HS code 731815 covers a wide range of threaded iron or steel fasteners, including screws, bolts, and related hardware. These products are essential components in a variety of industries, from construction and manufacturing to automotive and machinery. They play a crucial role in securing and joining different materials, ensuring the structural integrity and functionality of a wide range of products and systems.

Production process

The production of threaded iron or steel fasteners typically involves several key steps. First, the raw materials, such as steel wire or bar, are cut and formed into the desired shape and size. Next, the threads are created through a process of rolling, cutting, or tapping. Finally, the fasteners may undergo additional finishing processes, such as heat treatment or coating, to enhance their strength, corrosion resistance, or appearance.

Production inputs

The main inputs required for the production of HS code 731815 items include iron or steel raw materials, such as wire or bar stock, as well as specialized machinery for cutting, threading, and finishing the fasteners. Additionally, various tools and equipment, such as rolling machines, tapping tools, and heat treatment furnaces, are necessary for the manufacturing process.

Production outputs

The primary outputs of HS code 731815 are threaded iron or steel screws, bolts, and related fasteners. These products are widely used in a variety of industries, including 731816 Iron or steel; nuts, 731819 Iron or steel; self-tapping screws, and 731820 Iron or steel; washers, as well as in the construction, automotive, and machinery sectors.

Revisions to 731815

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 731815. The most recent 1 version of this code (731815) is in the HS v2022 system:

This page shows a legacy version of code 731815 ( HS v2017).

Family tree for iron or steel; threaded screws and bolts n.e.c. in item no. 7318.1, whether or not with their nuts or washers

    graph LR
    A["<a href='/classifications/hs/v2017/73'>73: Iron or steel articles</a>"]
A --> B["<a href='/classifications/hs/v2017/7318'>7318: Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel</a>"]
B --> C["<a href='/classifications/hs/v2017/731815'>731815: Iron or steel; threaded screws and bolts n.e.c. in item no. 7318.1, whether or not with their nuts or washers</a>"]

    B --> D["<a href='/classifications/hs/v2017/731811'>731811: Iron or steel; threaded coach screws</a>"]
B --> E["<a href='/classifications/hs/v2017/731812'>731812: Iron or steel; threaded wood screws other than coach screws</a>"]
B --> F["<a href='/classifications/hs/v2017/731813'>731813: Iron or steel; threaded screw hooks and screw rings</a>"]
B --> G["<a href='/classifications/hs/v2017/731814'>731814: Iron or steel; threaded self-tapping screws</a>"]
B --> H["<a href='/classifications/hs/v2017/731816'>731816: Iron or steel; threaded nuts</a>"]
B --> I["<a href='/classifications/hs/v2017/731819'>731819: Iron or steel; threaded screws, bolts and nuts n.e.c. in item no. 7318.1</a>"]
B --> J["<a href='/classifications/hs/v2017/731821'>731821: Iron or steel; non-threaded spring washers and other lock washers</a>"]
B --> K["<a href='/classifications/hs/v2017/731822'>731822: Iron or steel; non-threaded washers, excluding spring and lock</a>"]
B --> L["<a href='/classifications/hs/v2017/731823'>731823: Iron or steel; non-threaded rivets</a>"]
B --> M["<a href='/classifications/hs/v2017/731824'>731824: Iron or steel; non-threaded cotters and cotter-pins</a>"]
B --> N["<a href='/classifications/hs/v2017/731829'>731829: Iron or steel; non-threaded articles, n.e.c. in item no. 7318.2</a>"]

    

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