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Bureau of Indian Standards (BIS) has issued a standard titled IS 18509:2023 – Cross‑recessed Countersunk Head Wood Screws – Specification. This standard sets out the technical and quality requirements for wood screws that have a cross‑recessed head and a countersunk (flush) finish.
The scope covers screws with thread diameters in the range of 2 mm to 8 mm.
The idea is to ensure that these fasteners meet a uniform set of standards for dimensions, hardness, mechanical strength and marking so that users (carpenters, furniture makers, builders) get reliable, safe and durable screws
BIS ISI Mark Registration for Chain Pipe Wrenches IS 4123: 1982
In 2025 the government issued a Quality Control Order (QCO) under the responsibility of the Ministry of Commerce and Industry making BIS certification mandatory for cross-recessed countersunk‑head wood screws sold in India
Under this order:
Thus for manufacturers, importers and distributors obtaining BIS certification is no longer optional it is a legal requirement.
The standard outlines a number of technical requirements to ensure quality. Some of the important aspects are:
Meeting these criteria ensures that the screw will perform reliably in woodworking and carpentry giving proper mechanical strength, a flush finish and durability
The QCO applies broadly — but there are a few carve-outs.
Thus while the standard is mandatory, certain limited cases are given flexibility but selling uncertified screws remains prohibited.
For manufacturers and importers:
For buyers — woodworking firms, furniture manufacturers, carpenters, retail buyers:
Manufacturers often engage third‑party consultants or BIS-registered labs to assist with testing and application for certification
The market of cross-recessed countersunk head wood screws is now clear and assures quality due to the introduction of the compulsory certification in the form of IS 18509:2023. To manufacturers and importers it implies the following compliance with specified technical requirements, tests and licensing until the screws are released to commercial circulation.
For buyers and end-users it means confidence that the screws will perform as intended: secure fastening, clean finish, strength and durability. If you deal in wood screws aligning with this standard is no longer optional. Compliance ensures quality, reduces risk and supports long-term reliability of your wooden structures. Get in touch with Agile Regulatory today for expert help
Nishi Chawla
08 May, 2026
Nishi Chawla
08 May, 2026
Nishi Chawla
07 May, 2026
Nishi Chawla
07 May, 2026
Nishi Chawla
07 May, 2026
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