BIS-ISI-CERTIFICATE
IS 1364 (Part 1) :2018
Bolts, Nuts & Fasteners - Hexagon Head Bolts, Screws and Nuts of product Grades A and B – Hexagon Head Bolts (Size Range M 1.6 To M 64)
1. Summary about Hexagon Head Bolts of Product Grades A and B (Size Range M1.6 to M64)
Grade A and B hexagon head bolts are precision fasteners used in applications requiring tighter tolerances and higher reliability. They are commonly used in machinery, automotive, and high-quality structural assemblies.
2. Why BIS Certificate is Mandatory for Grade A and B Hexagon Head Bolts
BIS certification is mandatory to ensure precise dimensions, superior mechanical properties, and consistent performance. Failure of these fasteners can result in serious mechanical or structural issues.
3. What is BIS Certified for Grade A and B Hexagon Head Bolts
BIS certification confirms compliance with Indian Standards through testing of dimensional tolerances, tensile strength, hardness, and thread accuracy.
Tests required for Grade A and B Hexagon Head Bolts (M1.6 to M64)
| Title | Mandatory/Optional |
|---|---|
| Material (Mechanical Properties) | Optional |
| Dimensions | Required |
| General Requirements | Required |
| Thread requirements | Required |
| Tolerances | Required |
| Electroplating | Required |
| Non - Electrolytically applied zinc flake coating | Required |
| Hot dip galvanized | Required |
| Surface Integrity | Required |
4. Benefits of BIS Certification for Grade A and B Hexagon Head Bolts
- Ensures high-precision fastening
- Mandatory for critical engineering applications
- Improves joint reliability and safety
- Reduces rejection in quality inspections
- Enhances confidence of OEMs and regulators
Disclaimer.
The contents of this update are provided for general informational purposes only and do not constitute legal advice. Readers are encouraged to consult with professional legal counsel before taking action based on this information.
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