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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.

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Fastener HSN Code Classification and GST Rates

Here are some commonly used HSN codes and GST rates for this category

Section Classification

Section No Section Title Section Description
15 Guide to HSN Section 15 BASE METAL & ARTICLES OF BASE METAL

Chapter Classification

Chapter No Chapter Title Chapter Description
73 Articles Made of Iron/Steel Articles of iron or steel
83 Miscellaneous Base Metal Articles Miscellaneous articles of base metal

4 Digit HSN Code Classification

HSN Code HSN Code Title GST Rate
7318 Screws, Bolts, Nuts (Iron/Steel) 18%
8308 Clasps & Buckles 18%

8 Digit HSN Code Classification

HSN Code HSN Code Title GST Rate
73181110 Threaded articles : Coach screws : Machine screws 18%
73181190 Transmission apparatus: TV broadcast transmitter 18%
73181200 Threaded Articles Wood Screws 18%
73181300 Threaded articles : Screw hooks and screws 18%
73181400 Threaded Articles | Self-Tapping Screws 18%
73181500 Threaded articles : Other screws and bolts 18%
73181600 Threaded Articles | Nuts 18%
73181900 Threaded Articles 18%
73182100 Non-threaded: Spring lock washers 18%
73182200 Non-Threaded Articles | Other Washers 18%
73182300 Non-Threaded Articles | Rivets 18%
73182400 Non-threaded articles : Cotters and cotter-pins 18%
73182910 Natural Calcium Borates And Concentrates 18%
73182990 Non-Threaded Articles 18%
83081010 High Tenacity Yarn Of Polyesters | Other 18%
83081021 Hooks, eyes and eyelets : Eyelets : For footwear 18%
83081029 Hooks, Eyes And Eyelets| Eyelets 18%
83082000 Tubular Or Bifurcated Rivets 18%
83089011 Other, including parts : Buckles : For footwear 18%
83089019 Other: Activated natural mineral products: Other 18%
83089020 Other, including parts : Imitation zari spangles 18%
83089031 Base Metal Beads/Spangles 18%
83089039 Beads and spangles: Other 18%
83089040 Fittings for Travel Requisites & Leather Goods 18%
83089091 Other Garment/Leather/Plastic Fasteners 18%
83089099 Other, including parts : Other : Other 18%

* GST rates may vary based on the latest GST notifications

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.

Frequently Asked Questions

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.

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.

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.

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.

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.