
Understanding of Raised Countersunk Screws IS 7486: 2018 / ISO 7047: 2011
Raised Countersunk Head Screws with Type H or Type Z cross recess play a pivotal role in fastening solutions, combining functionality with aesthetic appeal across diverse industrial applications. These screws are meticulously designed to deliver exceptional performance, reliability, and longevity, adhering to the stringent specifications outlined in IS 7486: 2018 / ISO 7047: 2011. This international standard establishes critical parameters for dimensions, mechanical properties, material quality, and surface finish, ensuring these screws meet the highest benchmarks of quality and consistency.
For manufacturers, obtaining BIS (Bureau of Indian Standards) Certification for Raised Countersunk Head Screws is not just a regulatory requirement but a testament to their commitment to excellence. It signifies adherence to global standards, boosting product credibility and fostering trust among consumers and stakeholders. BIS certification ensures that these products are suitable for both domestic and international markets, paving the way for competitive advantage and customer satisfaction.
At Diligence Certifications, we provide expert guidance and comprehensive support to manufacturers seeking BIS Certification for their Raised Countersunk Head Screws. From understanding the intricate requirements of IS 7486: 2018 to navigating the testing and compliance process, our tailored solutions ensure a smooth and efficient certification journey. By aligning with this standard, manufacturers not only enhance the quality of their products but also demonstrate their dedication to safety, reliability, and sustainability in their production processes.
Key Highlights of IS 7486: 2018 / ISO 7047: 2011
| Feature | Description | 
| Head Style | Specifies the design of raised countersunk head screws with type H or type Z cross recess. | 
| Product Grade | Classifies screws as Product Grade A, ensuring precision and high-quality manufacturing. | 
| Dimensional Standards | Defines exact dimensions for uniformity and compatibility in various applications. | 
| Material Specifications | Requires the use of high-grade materials for strength and corrosion resistance. | 
| Surface Finish | Mandates finishes for enhanced durability and appearance. | 
| Load-Bearing Capacity | Ensures the screws can withstand mechanical stress during assembly and use. | 
| Testing and Inspection | Requires rigorous testing for parameters like dimensions, hardness, and torque strength. | 
BIS Certification Process for Raised Countersunk Head Screws
Achieving BIS Certification for Raised Countersunk Head Screws involves a systematic approach to demonstrate compliance with IS 7486: 2018:
- Application Submission
 Manufacturers must submit an application to the Bureau of Indian Standards (BIS) Certification, providing details about their product and manufacturing setup.
- Factory Assessment
 BIS officials visit the manufacturing facility to evaluate the production processes, raw materials, and quality control systems.
- Sample Testing
 Samples of screws are collected during the factory assessment and tested in accredited laboratories to verify compliance with IS 7486: 2018.
- Documentation Review
 Manufacturers must submit all required documentation, including test reports, quality assurance protocols, and production details.
- Certification Grant
 Once all requirements are met, BIS issues the certification, allowing manufacturers to use the BIS Standard Mark on their products.

List of Test Equipment for Raised Countersunk Head Screws
| Equipment Name | Purpose | 
| Vernier Caliper/Micrometer | To measure dimensions such as diameter, length, and recess depth. | 
| Hardness Tester | To assess material hardness and ensure compliance with mechanical property requirements. | 
| Torsion Testing Machine | To test the torque strength and verify durability during assembly. | 
| Salt Spray Tester | To check corrosion resistance under simulated environmental conditions. | 
| Tensile Strength Tester | To measure the load-bearing capacity and mechanical strength of the screws. | 
| Surface Finish Tester | To evaluate the quality of the surface finish for uniformity and appearance. | 
| Thread Gauges | To ensure precise threading and compatibility with mating components. | 
Scheme of Inspection and Testing
A robust Scheme of Inspection and Testing (SIT) ensures consistent product quality throughout the manufacturing process:
- Raw Material Inspection
 Verify that materials meet the specified chemical and mechanical properties.
- In-Process Inspection
 Conduct inspections at critical stages of manufacturing to ensure adherence to dimensional and quality standards.
- Finished Product Testing
 Perform final testing to verify that the screws meet the requirements of IS 7486: 2018, including dimensions, hardness, and load capacity.
- Batch Testing
 Implement batch-wise testing to ensure uniformity and compliance across production lots.
- Documentation and Records
 Maintain detailed records of inspections, tests, and corrective actions for traceability and accountability.
Why Choose Diligence Certifications?
At Diligence Certifications, we simplify the certification journey for manufacturers of raised countersunk head screws. Our expert team provides end-to-end support, including:
- Comprehensive assessment of manufacturing processes to identify gaps and recommend improvements.
- Assistance with documentation and application submission to ensure accuracy and completeness.
- Coordination of testing and inspections to meet BIS requirements seamlessly.
- Ongoing support to maintain compliance and renew certifications as needed.
With Diligence Certifications by your side, achieving BIS Certification for Raised Countersunk Head Screws becomes a hassle-free process, empowering manufacturers to deliver top-quality products that meet industry standards and gain consumer trust.
Conclusion
Achieving BIS Certification for Raised Countersunk Head Screws in alignment with IS 7486: 2018 / ISO 7047: 2011 is a critical milestone for manufacturers striving to ensure their products meet the highest standards of quality, safety, and performance. This certification is more than just a regulatory requirement—it is a mark of excellence that reinforces consumer trust, enhances product credibility, and enables manufacturers to compete effectively in both domestic and global markets.
By partnering with Diligence Certifications, manufacturers gain access to expert guidance, tailored solutions, and comprehensive support throughout every stage of the certification process. Our specialized services simplify compliance with IS 7486: 2018, enabling manufacturers to seamlessly navigate the complexities of testing, documentation, and approval. With our assistance, you can ensure your screws meet the stringent technical specifications for dimensions, mechanical properties, and material quality, while also addressing the aesthetic and functional demands of your target industries.
At Diligence Certifications, we are committed to helping you streamline your pathway to compliance, saving you valuable time and resources. Our focus is on empowering manufacturers to establish a strong presence in the competitive market by delivering high-quality, certified fastening solutions that stand out for their reliability, durability, and superior performance. Trust us to be your partner in success, guiding you toward achieving BIS Certification and setting new benchmarks for excellence in your industry.
 
  
                             
  
                         
                                 
                                 
                                 
                                 
                                   
                                   BIS Certification
                                                BIS Certification                                                
                                               CDSCO
                                                CDSCO                                                
                                               CPCB
                                                CPCB                                                
                                               LMPC
                                                LMPC                                                
                                               WPC Approval
                                                WPC Approval                                                
                                               Global Approvals
                                                Global Approvals                                                
                                               TEC
                                                TEC                                                
                                               ARAI
                                                ARAI                                                
                                               BEE
                                                BEE                                                
                                               ISO Certification
                                                ISO Certification                                                
                                               Drone Registration
                                                Drone Registration                                                
                                               NOC For Steel
                                                NOC For Steel                                                
                                               
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 Business Registration
                                                Business Registration                                                
                                               
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     
                                                     Legal Services
                                                Legal Services                                                
                                               
															




















 
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
             
				 
                                 
                                 
                                 
                                