Fastener HSN Code: Classification for Metal and Industrial Fasteners
Fasteners are essential components in construction, automotive, machinery, and furniture industries. Common types include nuts, bolts, screws, washers and rivets. Under GST, metal fasteners must be mapped to correct HSN codes so that purchase and sale entries are consistent.
Traders of hardware, industrial supplies and engineering goods should understand fastener HSN codes clearly.
What is the HSN Code for Fasteners?
Metal fasteners like steel nuts and bolts are usually classified under the HSN chapter for articles of iron or steel. Within this chapter there is a specific heading for screws, bolts, nuts, washers, and similar articles.
Here is an example table.
| Product Name | HSN Code | Product Description | Typical GST Rate* |
|---|---|---|---|
| Steel bolts and nuts | 7318 | Iron or steel bolts, nuts and similar fasteners | 18% |
| Industrial fasteners | 7318 | Special fasteners used in machinery and structures | 18% |
| Metal screws and washers | 7318 | Screws, coach screws, washers and similar items | 18% |
*Rates are indicative only. Confirm with the current GST rate chart.
Fasteners made from other metals like stainless steel or alloy steel also often remain within the same heading if they match the description.
How Metal Fasteners Are Classified under HSN?
Metal fasteners are grouped based on:
- Their function of fastening or joining parts
- Their construction, such as threaded or non threaded
- Their base material, usually iron or steel
Examples:
- Hex bolts, foundation bolts, anchor bolts
- Hex nuts, lock nuts, dome nuts
- Plain washers, spring washers
All these are grouped together in the main fastener heading. The HSN distinguishes them from other small hardware items that are not fasteners.
The HSN Code for Industrial Fasteners
Industrial fasteners used in heavy machinery, bridges, or large structures may be of special grades, coatings, or high strength classes. However, their basic nature as bolts, nuts, or screws keeps them in the same fastener heading.
Only when a fastener becomes a very special part of a machine with unique design might the classification shift. For normal trade, standard fastener HSN is followed.
Types of Fasteners and Their HSN Code Classification
Common types of fasteners include:
- Bolts and nuts
- Screws and machine screws
- Washers and circlips
- Rivets and pins
These are all mapped to the same broad fastener heading if made of iron or steel. Fasteners made from plastic or aluminium may be classified under other material specific headings.
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Frequently Asked Questions
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What is the HSN code for metal fasteners?
Metal fasteners like iron or steel screws, bolts, nuts and washers are usually classified under the 7318 HSN group.
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Are industrial fasteners classified separately from other fasteners under HSN?
No. As long as they are bolts, nuts, screws or similar items, they remain in the same heading, even if used in heavy industrial applications.
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How does GST apply to fastener products?
Fasteners are industrial goods and usually attract a standard GST rate. The exact rate is notified in the GST rate schedule.
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Can the material of the fastener affect its HSN code classification?
Yes. Fasteners made of plastic, aluminium, or copper may fall under different headings related to those materials. Iron and steel fasteners remain in the 7318 family.
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How are fasteners used in automotive vs construction industries categorized under HSN?
Usage in automotive or construction does not normally change the HSN. The classification depends on the product type and material, not its end use.