HSN code · Chapter 73
HSN 7318: BIS Certification for Industrial Fasteners (Screws, Bolts, Nuts)
Regulatory compliance guide, applicable Indian Standards, certification requirements (ISI), and customs clearance guidelines for goods classified under HSN Code 7318 (Screws, bolts, nuts, coach screws, rivets, washers, of iron or steel).
Key Information for HSN 7318
- HSN code
- 7318
- Chapter
- 73
- Description
- Screws, bolts, nuts, coach screws, rivets, washers, of iron or steel
- Last verified
- October 2026
- Products covered
- 35
- Certification type
- 35 ISI · 0 CRS
- Testing labs
- 14
- BIS-recognised
- Est. cost range
- ₹46K – ₹1.8L
- From product guides
BIS Products Under HSN 7318 (35)
- ISI mark scheme: ISIChipboard ScrewsIS 18508₹46K – ₹1.8L
- ISI mark scheme: ISICoconut Fatty AcidsIS 12069₹46K – ₹1.8L
- ISI mark scheme: ISICountersunk Flat Head Screws (Common head Style) With Type H or Type Z Cross Recess – Product Grade A Part 1 Steel Screws of Property Class 4.8IS 7485 (Part 1)/ ISO 7046 -1₹46K – ₹1.8L
- ISI mark scheme: ISICross Recessed Tapping Screw Part 3 Raised Countersunk Oval HeadIS 18480 (Part 3)/ ISO 7051₹46K – ₹1.8L
- ISI mark scheme: ISICross Recessed Tapping Screws Part 2 Countersunk Flat HeadIS 18480 (Part 2)/ ISO 7050₹46K – ₹1.8L
- ISI mark scheme: ISICross Recessed Tapping Screws: Part 1 Pan HeadIS 18480 (Part 1)/ ISO 7049₹46K – ₹1.8L
- ISI mark scheme: ISICross-recessed Countersunk Head Wood ScrewsIS 18509₹46K – ₹1.8L
- ISI mark scheme: ISIDrywall ScrewsIS 18507₹46K – ₹1.8L
- ISI mark scheme: ISIFasteners – Cross Recessed Drilling Screws with Tapping Screw Thread Part 1 Pan HeadIS 18471 (Part 1)/ ISO 15481₹46K – ₹1.8L
- ISI mark scheme: ISIFasteners – Cross Recessed Drilling Screws with Tapping Screw Thread Part 2 Countersunk HeadIS 18471 (Part 2)/ ISO 15482₹46K – ₹1.8L
- ISI mark scheme: ISIFasteners – Cross Recessed Drilling Screws with Tapping Screw Thread Part 3 Raised Countersunk HeadIS 18471 (Part 3)/ ISO 15483₹46K – ₹1.8L
- ISI mark scheme: ISIFasteners – Hexagon Washer Head Drilling Screws with Tapping Screw ThreadIS 18476/ ISO 15480₹46K – ₹1.8L
- ISI mark scheme: ISIFasteners – Threaded Steel Fastener – Step Bolts for Steel StructuresIS 10238₹46K – ₹1.8L
- ISI mark scheme: ISIFasteners – Threaded Steel Fasteners – Hexagon Head Transmission Tower BoltsIS 12427₹46K – ₹1.8L
- ISI mark scheme: ISIFlush BoltsIS 5187₹46K – ₹1.8L
- ISI mark scheme: ISIHexagon Head Bolts, Screws and Nuts of Product Grades A and B – Hexagon Head Screws (Size Range M 1.6 to M 64)IS 1364 (Part 2)₹46K – ₹1.8L
- ISI mark scheme: ISIHexagon Head Bolts, Screws and Nuts of product Grade C Hexagon Head Bolts (Size Range M 5 to M 64)IS 1363 (Part 1)₹46K – ₹1.8L
- ISI mark scheme: ISIHexagon Head Bolts, Screws and Nuts of product Grade C – Hexagon Nuts (Size Range M5 to M64)IS 1363 (Part 3)₹46K – ₹1.8L
- ISI mark scheme: ISIHexagon Head Bolts, Screws and Nuts of product Grades A and B – Hexagon Head Bolts (Size Range M 1.6 To M 64)IS 1364 (Part 1)₹46K – ₹1.8L
- ISI mark scheme: ISIHexagon Head Screw (Size ranges from M 5 to 64)IS 1363 (Part 2)₹46K – ₹1.8L
- ISI mark scheme: ISIHigh Strength Structural BoltsIS 3757₹46K – ₹1.8L
- ISI mark scheme: ISIHigh Strength Structural NutsIS 6623₹46K – ₹1.8L
- ISI mark scheme: ISIIndicating Bolts for use in public baths and lavatoriesIS 4621₹46K – ₹1.8L
- ISI mark scheme: ISILow Carbon Steel Wire for Rivets for use in Bearing IndustryIS 4882₹46K – ₹1.8L
- ISI mark scheme: ISIMild Steel Rivet Bars For Ship BuildingIS 3298₹46K – ₹1.8L
- ISI mark scheme: ISIMild steel sliding door bolts for use with padlocksIS 281₹46K – ₹1.8L
- ISI mark scheme: ISINon-ferrous metal sliding door bolts (aldrops) for use with padlocksIS 2681₹46K – ₹1.8L
- ISI mark scheme: ISIPan Head Screws With Type H or Type Z Cross Recess – Product Grade AIS 7483/ ISO 7045₹46K – ₹1.8L
- ISI mark scheme: ISIRaised countersunk head screws (Common Head Style) with type H or type Z cross recess – Product grade AIS 7486/ ISO 7047₹46K – ₹1.8L
- ISI mark scheme: ISISliding locking bolts for use with padlocksIS 7534₹46K – ₹1.8L
- ISI mark scheme: ISISteel Rivet Bars (medium And High Tensile) – For Structural PurposesIS 1148₹46K – ₹1.8L
- ISI mark scheme: ISISteel ingots, billets and blooms for the production of springs, rivets and screws for general engineering applicationsIS 8052₹46K – ₹1.8L
- ISI mark scheme: ISISteels for High Temperature Bolting ApplicationsIS 14331₹46K – ₹1.8L
- ISI mark scheme: ISITower Bolts- Ferrous metalsIS 204 (Part 1)₹46K – ₹1.8L
- ISI mark scheme: ISITower Bolts- Non-ferrous metalIS 204 (Part 2)₹46K – ₹1.8L
Testing Labs for These Products (14)
- Aaditech Test and Calibration Lab, New DelhiNew Delhi, DelhiView lab profile →
- ACCURATE TEST SOLUTIONS LLPNoida, Uttar PradeshView lab profile →
- Bharat Test House Pvt. Ltd., SonipatSonipat, HaryanaView lab profile →
- Ghaziabad Testing Laboratories Pvt. Ltd., GhaziabadGhaziabad, Uttar PradeshView lab profile →
- Intertek India Private Limited, New DelhiNew Delhi, DelhiView lab profile →
- JBS Testing Solutions, JalandharJalandhar, PunjabView lab profile →
- Kailtech Test and Research Centre Private Limited, IndoreIndore, Madhya PradeshView lab profile →
- National Test House (ER), KolkataKolkata, West BengalView lab profile →
- National Test House (Southern Region), ChennaiChennai, Tamil NaduView lab profile →
- NIIRT Calibration and Testing Pvt. Ltd., PanchkulaPanchkula, HaryanaView lab profile →
- Scientific and Industrial Testing and Research Centre, CoimbatoreCoimbatore, Tamil NaduView lab profile →
- Shri Krishna Test House, DelhiDelhi, DelhiView lab profile →
- Shriram Institute for Industrial Research, BengaluruBengaluru, KarnatakaView lab profile →
- Shriram Institute for Industrial Research, DelhiDelhi, DelhiView lab profile →
Official Sources
Importing or making goods under HSN 7318?
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FAQ
HSN 7318 and BIS Certification
Short answers about this HSN code.
Is BIS certification mandatory for goods imported under HSN 7318?
Yes. Under relevant Quality Control Orders notified by the Government of India, items classified under HSN 7318 cannot be custom-cleared without a valid BIS Licence or CRS Registration Number and the official Standard Mark.
Which certification scheme applies to HSN 7318?
Products under HSN 7318 typically fall under the ISI scheme. For Scheme-I (ISI Mark), factory inspection and independent product sample testing are required. For Scheme-II (CRS), testing in a BIS-recognized laboratory followed by self-declaration is required.
What are the key testing requirements for HSN 7318?
Products must undergo complete type testing in an accredited testing laboratory per IS 1363, IS 1367. Testing verifies mechanical strength, electrical safety, chemical composition, and durability as mandated in the specific Indian Standard.

