The BIS (Bureau of Indian Standards) accreditation guarantees in India the dependability, safety, and quality of bolts, nuts, and fasteners. Manufacturers are obliged by Indian Standards (IS) include IS 1363, IS 1364, IS 3757, IS 6623, etc. Applications for certification, manufacturing inspections, product testing, and clearance to use the ISI mark comprise the certification process. Under the Bolts, Nuts, and Fasteners (Quality Control) Order, 2023 with varying deadlines for big, small, and micro-enterprises compliance is required. BIS accreditation guarantees premium fasteners for industrial and commercial uses, therefore strengthening market credibility, consumer confidence, and regulatory compliance.
ISI Mark for Bolts, Nuts and Fasteners
Applicable of Indian Standard For ISI Mark for Bolts, Nuts and Fasteners
| SNO | PRODUCT | IS NO |
|---|---|---|
| 1 | Hexagon Head Bolts, Screws and Nuts of product Grade C Hexagon Head Bolts (Size Range M 5 to M 64) | 1363 (Part 1) :2019 |
| 2 | Hexagon Head Screw (Size ranges from M 5 to 64) | 1363 (Part 2) :2018 |
| 3 | Hexagon Head Bolts, Screws and Nuts of product Grade C – Hexagon Nuts (Size Range M5 to M64) | 1363 (Part 3) :2018 |
| 4 | Hexagon Head Bolts, Screws and Nuts of product Grades A and B – Hexagon Head Bolts (Size Range M 1.6 To M 64) | 1364 (Part 1) :2018 |
| 5 | Hexagon Head Bolts, Screws and Nuts of Product Grades A and B – Hexagon Head Screws (Size Range M 1.6 to M 64) | 1364 (Part 2) :2018 |
| 6 | Indicating Bolts for use in public baths and lavatories | 4621:1975 |
| 7 | Flush Bolts | 5187: 1972 |
| 8 | Fasteners – Threaded Steel Fastener – Step Bolts for Steel Structures | 10238:2001 |
| 9 | Fasteners – Threaded Steel Fasteners – Hexagon Head Transmission Tower Bolts | 12427 : 2001 |
| 10 | High Strength Structural Bolts | 3757 : 1985 |
| 11 | Tower Bolts- Non-ferrous metal | 204 (Part 2): 1992 |
| 12 | Tower Bolts- Ferrous metals | 204 (Part 1): 1991 |
| 13 | Stainless Steel Sliding Door Bolts (Aldrops) for use With Padlocks | 15834 : 2022 |
| 14 | Non-ferrous metal sliding door bolts (aldrops) for use with padlocks | 2681 : 1993 |
| 15 | Mild steel sliding door bolts for use with padlocks | 281 : 2009 |
| 16 | Sliding locking bolts for use with padlocks | 7534: 1985 |
| 17 | Wrought Aluminium Alloy Bolt and Screw Stock for General Engineering purposes | 1284 : 1975 |
| 18 | Stainless steel Tower Bolts | 15833 : 2009 |
| 19 | High Strength Structural Nuts | 6623 : 2004 |
Frequently Asked Questions
BIS certification ensures the quality and safety of bolts, nuts, and fasteners as per Indian Standards (IS).
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