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- Hexagon head bolts, screws, and nuts as per IS 1364 (Part 1): 2018 are tested for tensile strength, hardness, and torque resistance to confirm their long life.
- Adhering to Indian Standards lessens the chances of bringing about legal issues and is a safety guarantee for industrial applications.
- Certified fasteners turn on the light of trust for government tenders, PSU projects, and large-scale industrial contracts.
- Periodic surveillance along with internal quality audits enables the manufacturers to keep up with the level of their ongoing compliance and the stability of their products.
- BIS certification is an assurance that hexagon head bolts, screws, and nuts conform to the set quality, dimensional, and mechanical standards.
Introduction | Hexagon Head Bolts, Screws and Nuts
In the world of industrial fastener trade, one cannot compromise on quality and conformity to standards. The story of a medium-sized engineering company from Mumbai which procured hexagon head bolts and nuts for a vital government infrastructure project is a case in point. The materials were rejected during the tender evaluation because they did not have certification under IS 1364 (Part 1) :2018. This incident caused expensive delays and jeopardized the project’s credibility. Bureau of Indian Standards ,The case is indicative of the problem faced by manufacturers, suppliers, and procurement teams get fasteners with no standards certification which is a ticking time bomb for timelines, budgets, and legal compliance. Hexagon Head Bolts, Screws and Nuts Under IS 1364 (Part 1) :2018 standardization is proof that the products conform to rigorous Indian norms in aspects of material quality, dimensions, and mechanical properties.
What is IS 1364 (Part 1) :2018 ?
IS 1364 (Part 1) :2018 is the Indian Standard that specifies the characteristics of hexagon head bolts, screws, and nuts for general engineering applications. The standard lays down the sizes, the mechanical properties, and the material specifications to maintain the industrial fasteners standardization, safety, and reliability throughout the sectors. Manufacturers that are not following IS 1364 (Part 1) :2018 may issue dismissal of their tender, safety hazards, and legal cases, so are buyers, as they should be careful and attentive. The fasteners standard is also the starting point for BIS certification, a quality label for industrial fasteners in India.
Key point
- Dimensional Accuracy: Refers to the measurements of the head width, thread length, and shank diameter that are necessary for a correct fit and assembly.
- Material Quality: Specifies the correct steel or alloy grades that are needed to comply with the standards for tensile strength, hardness, and corrosion resistance.
- Mechanical Properties: Sets the limits of torque, tensile strength, and load-bearing capability of the structure in order to avoid any kind of failure.
- Testing Requirements: It comes with required mechanical and chemical tests that have to be done to confirm the consistency and the durability of the fasteners.
Why is BIS Certification Mandatory?
BIS certification of hexagon head bolts, screws, and nuts under IS 1364 (Part 1) :2018 is necessary to maintain safety, conform to Indian Standards, and retain legal and market credibility. Fasteners that are certified save the user from structural failure, rejects in the tender, and monetary losses while also increasing the confidence of buyers and industrial clients. Besides, it is a good promotion for the manufacturer, as it gives him an advantage over other competitors for government and large-scale industrial projects.
Key points
- Compliance with IS 1364:2018 Standards: Specifies hexagon head bolts, screws, and nuts made of the metal of certain types are of a certain quality, precise dimensions, and mechanical strength without failure of the product.
- Legal Requirement for Government and PSU Projects: Numerous tenders and industrial projects require fasteners certified by BIS. Employing non-certified products may result in the rejection of the bid, penalization, or even legal proceedings.
- Safety and Reliability Assurance:Tested fasteners are resistant to the forces of tension, grinding, torque, and are capable of carrying a load that ensures safety in the most difficult applications.
- Reputation, Credibility, and Market Advantage: Certification brings loyalty from clients, offers safety for manufacturers and buyers against possible charges, and allows a manufacturer to take the lead in industrial and government contracts.
Importance and Benefits of BIS Certification
| Importance | Benefits |
| Ensures compliance with Indian quality and safety standards prescribed by BIS | Reduces risk of product failure, rework, and rejection during inspections |
| Mandatory for participation in government, PSU, and large infrastructure tenders | Enables eligibility for high-value tenders and long-term supply contracts |
| Verifies mechanical strength, material quality, and dimensional accuracy of fasteners | Builds buyer confidence and improves acceptance among industrial clients |
| Protects manufacturers and buyers from legal and regulatory penalties | Minimises liability, warranty claims, and reputational damage |
| Establishes trust and credibility in the competitive fastener market | Enhances brand value and provides a clear competitive advantage |
| Confirms conformity of Hexagon Head Bolts, Screws and Nuts Under IS 1364 (Part 1) :2018 | Improves market access and supports sustainable business growth |
Step-by-Step Process of BIS Certification
Step1:Documentation
- Collect required technical documents
- Prepare product specifications
- Gather company registration details
- Ensure documents follow BIS format
Step2:Product Testing
- Send samples to a BIS-approved lab
- Conduct safety and quality tests
- Receive test reports
- Confirm compliance with BIS standards
Step3:Application Submission
- Fill out the BIS application form
- Upload all required documents
- Attach valid test reports
- Pay the necessary BIS fees
Step4:Scrutiny and Inspection
- BIS reviews submitted documents
- Authority verifies test results
- Factory/product inspection may occur
- Clarifications requested if needed
Step5:Grant of License
- BIS approves the application
- License number is issued
- Product can carry BIS mark
- Renewal required before expiry
Documents Required for BIS Certification
| Category | Documents Required |
| Business Documents | Business license/registration, ISO certificate, organizational details |
| Manufacturer Details | Factory layout, process flow chart, machinery list, production details |
| Product Documents | Product specifications, component list, user manual, model details |
| Testing Documents | Test report from BIS-recognized lab, sample details, test request form |
| Legal & Compliance | Authorization letter, brand ownership proof, trademark certificate (if any) |
| Import/Foreign Manufacturer (If applicable) | AIR (Authorized Indian Representative) details, contract agreement, overseas manufacturer documents |
Timelines, Costs, Validity & Renewal
- Timelines: Usually from 20 to 30 days, with only 7-15 days for the testing.
- Costs: The cost of the government and the test varies depending on the product. There can be some additional charges though.
- Validity: The validity period is 2 years in most situations.
- Renewal: The renewal is done before the expiration; there should be updated documents/tests; the renewal
Why Choose Diligence Certifications
- End-to-End BIS Expertise: Diligence Certifications offer a full package of services starting from the identification of the standard and preparation of the documentation to testing coordination and BIS inspection readiness, thus, there are no hiccups in the approval process.
- Technical Understanding of Fastener Standards: The team has dealt directly with the Hexagon Head Bolts, Screws and Nuts Under IS 1364 (Part 1) :2018 compliance which is why they are able to handle your application with minimal errors that could otherwise result in rejection of the case.
- Faster Approvals with Fewer Rejections: By fixing the missing pieces of the documentation, early testing of products, and rectifying product mismatches, clients are able to get approvals faster and thus fewer rejections due to issues pointed out in their submissions.
- Practical, Industry-Focused Guidance: The solutions provided are designed specifically for manufacturers, importers, and suppliers thus, you get real compliance in real production environments rather than generic checklists.
- Long-Term Compliance Support: Beforehand, clients are guided on renewals, surveillance audits, and ongoing BIS compliance so as to keep hold of their market credibility besides getting the certification.
Conclusion
Adhering to Indian standards is no longer a matter of choice for manufacturers and suppliers that are operating in regulated and industrial markets. Ensuring that fasteners are up to the set quality, safety, and performance standards not only saves the product but also the business brand behind it. Certification under IS 1364 (Part 1) :2018 is a means of putting an end to accidents due to structural failures, rejections of tenders, and problems with the regulatory authorities. For companies that trade in Hexagon Head Bolts, Screws, and Nuts Under IS 1364 (Part 1) :2018, BIS certification is that definite signal of quality, uniformity, and observance of rules. If it is done appropriately, the certification can be seen as a prudent rather than a burdensome operational cost. With the skillful support of Diligence Certifications , manufacturers and suppliers are in a position to meet BIS requirements in a calm and assured manner, shorten the period of getting the approval, and be able to keep the compliance for a longer time. Being proactive today is a way of having less troubles in executing projects, gaining more trust in the market, and experiencing business growth that is sustainable.
Frequently Asked Questions
What types of threads are specified?
Both coarse and fine metric threads are covered under the standard.
What head shape is specified?
Only hexagon head shape is covered for bolts and screws in this standard.
What is IS 1364 (Part 1):2018?
This document is the Indian Standard Specification for Hexagon Head Screws, Bolts, and Nuts which outlines the size, strength, and quality.
Where are these fasteners used?
They are used in the machinery, building, and heavy-duty industries sectors, where firm and reliable fasteners are necessary.
What material is used?
Normally high-grade carbon steel, alloy steel, or stainless steel as per IS standards are used.
Are these fasteners BIS-certified?
Yes, the fasteners of IS 1364 (Part 1):2018 are required to be in conformity with BIS standards in quality and performance.
What grades of strength are available?
The different grades have been specified for mechanical strength and load-bearing capability.
Can these fasteners be used in outdoor applications?
Indeed, the matter mainly hinges on the material (stainless steel or fasteners with a protective coating) for rust resistance.
What tests are performed on these fasteners?
Among the tests, the samples for tensile strength, hardness, thread accuracy, and dimensional conformity should be selected.
Who manufactures IS 1364 fasteners?
Such fasteners can only be made by manufacturers who have received BIS approval and are intended for the industrial and government use.
