What is the GST (IGST) rate for HSN code 73181190?

HSN code 73181190 (Screw & Bolt) attracts 18% IGST under Schedule II of the GST notification.

What is the customs duty (BCD) for HSN code 73181190?

The Basic Customs Duty (BCD) for HSN code 73181190 is 15%. On import, the landed duty also adds Social Welfare Surcharge (on BCD) and IGST (on the duty-inclusive value).

What does HSN code 73181190 cover?

HSN code 73181190 covers Screw & Bolt. It sits under Chapter 73 – Articles of iron or steel, in Section XV – BASE METALS AND ARTICLES OF BASE METAL.

What is the unit of measurement for HSN code 73181190?

The standard unit of quantity (UQC) for HSN code 73181190 is kg, as listed in the Customs Tariff.

What is the HSN code for screws and bolts?

Threaded fasteners fall under heading 7318 — coach screws under 73181100, machine screws under 73181110, and wood screws under 73181200.

HSN Code Finder · Product

Screw & Bolt HSN Code 7318

Q: What is the HSN code for Screw & Bolt?

The HSN code for Screw & Bolt is 73181190, classified under Chapter 73 – Articles of iron or steel of India's Customs Tariff (ITC-HS).

18% IGSTSchedule II

Screws, bolts, nuts and similar threaded fasteners of iron or steel are classified under HSN heading 7318. Machine screws, wood screws and coach screws each have their own tariff item.

Search any HSN code

Heading

7318

Primary code

73181190

GST / IGST

18%

Customs duty (BCD)

15%

Screw & Bolt HSN codes & GST rates

The 8-digit HSN/HS codes under heading 7318 (screws, bolts, nuts, coach-screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel). Click any code for the full duty stack, IGST schedule and FTA preferential rates.

HSN code	Description	IGST	BCD
73181110	Machine screws	18%	15%
73181190	Other	18%	15%
73181200	Other wood screws	18%	15%
73181300	Screw hooks and screw rings	18%	15%

FTA preferential rates: 13 partner agreement(s) listed for 73181190; best preferential rate 0% via ASEAN countries; 11 partner(s) at 0%. See full FTA breakdown →

What is the HSN code for screw & bolt?

The HSN code for screw & bolt is 7318 at the 4-digit heading level. For GST invoicing and customs filing you generally need the full 8-digit tariff item — for screw & bolt the most common is 73181190, which attracts 18% IGST.

HSN (Harmonized System of Nomenclature) codes are India's standardised product-classification system used for both GST and customs. The first 2 digits are the chapter, 4 digits the heading, 6 digits the international subheading and 8 digits the India-specific tariff item. Always confirm the exact 8-digit code for your specific variant, and verify the rate against the latest CBIC/DGFT notification before filing.

How screw & bolt is classified under HSN

The HSN classification for screw & bolt narrows down level by level — from the broad section to the specific 8-digit tariff item used on your invoice and Bill of Entry.

Chapter 732-digitArticles of iron or steel
73184-digit headingSCREWS, BOLTS, NUTS, COACH-SCREWS, SCREW HOOKS, RIVETS, COTTERS, COTTER-PINS, WASHERS (INCLUDING SPRING WASHERS) AND SIMILAR ARTICLES, OF IRON OR STEEL
7318116-digit subheadingCoach screws :
731811908-digit tariff itemOther

Section XV — BASE METALS AND ARTICLES OF BASE METAL

GST on screw & bolt

Screw & Bolt (HSN 7318) attracts 18% GST under GST Schedule II. On a sale within the same state this is charged as 9% CGST + 9% SGST; on an inter-state sale or an import it is charged as a single 18% IGST. This is the rate recorded for the primary code 73181190 — other variants in the table above can carry different rates, so match your exact product and verify against the latest CBIC GST rate notification.

Customs duty on imported screw & bolt

When screw & bolt (HSN 73181190) is imported into India, the duty stack is approximately: Basic Customs Duty (BCD) 15%, AIDC 15%, Social Welfare Surcharge on the aggregate of customs duties, plus IGST 18% on the assessable value plus duties.

Indicative total duty on ₹100 of assessable value: ₹40.3905. This is an estimate — the actual amount depends on valuation, exemptions and the notifications in force on the date of import.

See the full duty breakdown for 73181190 →

Conclusion

The HSN code for screw & bolt is 7318 at the heading level, with 73181190 the most commonly used 8-digit tariff item (18% GST). Always pick the 8-digit code that matches your exact product variant from the table above, and confirm the GST rate and customs duty against the latest CBIC/DGFT notifications before invoicing or filing a Bill of Entry.