IS 15833:2009
Machine screws of iron or steel (coach screws, hexagon and cross-recessed types)
BIS QCO · ISI MARK · 16 LINES · STEEL AND STEEL PRODUCTS QUALITY CONTROL ORDER, NOTIFIED VIDE S.O. 2771(E) AND S.O. 3927(E)
IS 15833 specifies the requirements for steel wood screws, machine screws, self-tapping screws and associated fasteners used in joinery, light construction and general engineering. The standard governs thread profile, head type, material grade, coating and dimensional tolerance for industrial-grade fasteners.
At a glance
16
Tariff lines covered (8-digit HSN)
Chapter 73
Primary HSN chapter
ISI
Mark scheme
Steel and Steel Products Quality Control Order, notified vide S.O. 2771(E) and S.O. 3927(E)
Governing Quality Control Order
Tariff lines covered
Heading 7318
7318 11 10Machine screws of iron or steel (coach screws, hexagon and cross-recessed types)7318 11 90Coach screws of iron or steel (lag screws, timber screws)7318 12 00Iron or steel wood screws of all head and drive types7318 13 00Screw hooks and screw rings of iron or steel7318 14 00Self-tapping screws of iron or steel7318 15 00Iron or steel screws and bolts with nuts or washers7318 16 00Iron or steel nuts (hexagon, structural, high-strength grades)7318 19 00Other threaded fasteners of iron or steel (screws, bolts, nuts, screw hooks)7318 21 00Spring washers and other lock washers of iron or steel7318 22 00Iron or steel washers, other than spring washers7318 23 00Iron or steel rivets for general and structural use7318 24 00Cotters and cotter-pins of iron or steel7318 29 10Circlips and similar iron or steel fastening articles7318 29 90Non-threaded iron or steel fasteners, cotters, cotter-pins and similar articles
Heading 8302
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Speak to an Expert Last verified against gazette notifications: 2026-05-16. Source: BIS / Indian Customs CUSDATA.
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