BIS-ISI-CERTIFICATE
IS 1363 (Part 1) :2019
Bolts, Nuts & Fasteners - Hexagon Head Bolts, Screws and Nuts of product Grade C Hexagon Head Bolts (Size Range M 5 to M 64)
1. Summary about Hexagon Head Bolts, Screws and Nuts of Product Grade C – Hexagon Head Bolts (M5 to M64)
Grade C hexagon head bolts are general-purpose fasteners used in mechanical assemblies, construction, and industrial structures. They are designed for applications where moderate strength and standard tolerances are acceptable.
2. Why BIS Certificate is Mandatory for Grade C Hexagon Head Bolts
BIS certification is mandatory to ensure dimensional accuracy, thread quality, and mechanical strength. Non-compliant bolts can loosen, shear, or fail under load.
3. What is BIS Certified for Grade C Hexagon Head Bolts
BIS certification verifies compliance with Indian Standards covering dimensions, mechanical properties, surface finish, and thread accuracy.
Tests required for Grade C Hexagon Head Bolts (M5 to M64)
| Title | Mandatory/Optional |
|---|---|
| Dimensions | Required |
| Material | Optional |
| Thread | Required |
| Tolerances | Required |
| Mechanical Properties | Required |
| Electroplating | Required |
| Non - Electrolytically applied zinc flake coating | Required |
| Hot dip galvanized | Required |
| Marking and labelling | Required |
4. Benefits of BIS Certification for Grade C Hexagon Head Bolts
- Ensures reliable fastening performance
- Mandatory for regulated industrial supply
- Reduces risk of joint failure
- Improves interchangeability of fasteners
- Builds confidence among users and inspectors
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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