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

HS v2022 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 their associated nuts and washers. These products are essential components in numerous industries, from construction and manufacturing to automotive and machinery. They play a crucial role in securing and joining various materials, ensuring the structural integrity and functionality of a vast array of products and systems.

Production process

The production of threaded iron or steel fasteners typically involves a multi-step process. First, the raw materials, such as steel wire or bar, are cut and formed into the desired shape using techniques like stamping, rolling, or forging. The threads are then created through processes like threading, rolling, or cutting. Finally, the fasteners may undergo additional finishing steps, such as heat treatment, plating, 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 high-quality steel, specialized machinery for cutting, threading, and finishing the fasteners, as well as various consumables like lubricants and protective coatings. Additionally, skilled labor and efficient manufacturing processes are essential to ensure the consistent quality and reliability of these products.

Production outputs

The primary outputs of HS code 731815 are threaded iron or steel fasteners, such as screws, bolts, and their associated nuts and washers. These products are widely used in a variety of industries, including 731816 Iron or steel; nuts, 731819 Iron or steel; self-tapping screws, and 732690 Other articles of iron or steel, n.e.c., where they are essential for assembling, securing, and maintaining various structures, equipment, and machinery.

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 version):

This page shows the most recent version of code 731815.

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/v2022/73'>73: Iron or steel articles</a>"]
A --> B["<a href='/classifications/hs/v2022/7318'>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/v2022/731815'>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/v2022/731811'>731811: Iron or steel; threaded coach screws</a>"]
B --> E["<a href='/classifications/hs/v2022/731812'>731812: Iron or steel; threaded wood screws other than coach screws</a>"]
B --> F["<a href='/classifications/hs/v2022/731813'>731813: Iron or steel; threaded screw hooks and screw rings</a>"]
B --> G["<a href='/classifications/hs/v2022/731814'>731814: Iron or steel; threaded self-tapping screws</a>"]
B --> H["<a href='/classifications/hs/v2022/731816'>731816: Iron or steel; threaded nuts</a>"]
B --> I["<a href='/classifications/hs/v2022/731819'>731819: Iron or steel; threaded screws, bolts and nuts n.e.c. in item no. 7318.1</a>"]
B --> J["<a href='/classifications/hs/v2022/731821'>731821: Iron or steel; non-threaded spring washers and other lock washers</a>"]
B --> K["<a href='/classifications/hs/v2022/731822'>731822: Iron or steel; non-threaded washers, excluding spring and lock</a>"]
B --> L["<a href='/classifications/hs/v2022/731823'>731823: Iron or steel; non-threaded rivets</a>"]
B --> M["<a href='/classifications/hs/v2022/731824'>731824: Iron or steel; non-threaded cotters and cotter-pins</a>"]
B --> N["<a href='/classifications/hs/v2022/731829'>731829: Iron or steel; non-threaded articles, n.e.c. in item no. 7318.2</a>"]

    

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