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IS 3138 : 1966

IS 3138 : 1966 — Hexagonal Bolts and Nuts (M42 to M150)

IS 3138 : 1966 is an Indian Standard titled Hexagonal Bolts and Nuts (M42 to M150).

IS Number
IS 3138 : 1966
Year
1966
Status
1
Certification
—
Committee
General Engineering and Fasteners Standards

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What is IS 3138 : 1966?

IS 3138 : 1966 is an Indian Standard published by the Bureau of Indian Standards (BIS) under the title Hexagonal Bolts and Nuts (M42 to M150).. Certification under this standard is voluntary.

How to get certified for IS 3138 : 1966

  1. 1
    Apply online — Submit the BIS portal application with product details, factory information, and test reports.
  2. 2
    Lab testing — Submit product samples to a BIS-recognised testing laboratory for evaluation against the standard.
  3. 3
    Factory inspection — A BIS officer visits your manufacturing facility to verify quality control systems.
  4. 4
    Licence grant — On approval, BIS issues the licence. You may then affix the ISI Mark on compliant products.
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