BIS-ISI Certificate for Hex Nuts (M5 to M64)
Product Hexagon Head Bolts, Screws and Nuts of product Grade C – Hexagon Nuts (Size Range M5 to M64) Certification Body Bureau of Indian Standards Indian Standard IS 1363 (Part 3) :2018 Scope — Voluntary/Mandatory Mandatory Implementation date 21 January 2024 End-use application Hexagon nuts of product grade C,