Quality Assurance
At DSN Enterprises, quality is not just a process—it's our commitment. Every gauge we manufacture undergoes rigorous quality control to ensure precision, accuracy, and reliability.
Our Quality Process
A systematic approach ensuring every gauge meets the highest standards
Material Selection
Premium grade OHNS and Tungsten Carbide materials from certified suppliers with full traceability.
Precision Manufacturing
State-of-the-art CNC machining with tight tolerances and skilled craftsmanship.
Heat Treatment
Controlled hardening process achieving 60±2 HRC with sub-zero treatment at -80°C for dimensional stability.
Precision Grinding
High-precision cylindrical and surface grinding to achieve specified dimensions and surface finish.
Inspection & Calibration
Comprehensive dimensional inspection using calibrated instruments traceable to national standards.
Final Verification
100% final inspection and documentation with calibration certificates.
Our Certifications
Recognized by leading industry organizations for our commitment to quality
ISO 9001:2015
Quality Management System certification ensuring consistent quality processes.
API 5B
Licensed manufacturer for threading, gauging, and inspection of casing, tubing, and line pipe threads.
API 7-2
Licensed manufacturer for threading and gauging of rotary shouldered thread connections.
NABL Accreditation
National Accreditation Board for Testing and Calibration Laboratories certification.
Standards We Follow
Manufacturing to international and Indian standards ensures global compatibility
Plain Gauges
- IS 919 (Part 1, Part 2) 1993 - ISO System of Limits & Fits
- IS 3455 - Gauging Practice for Plain Work Pieces
- IS 6244-1980 - Plain Plug Gauges (40mm to 120mm)
- IS 6137-1983 - Plain Plug Gauges (1mm to 40mm)
- IS 3485 - Plain & Master Setting Ring Gauges
- IS 8023 - Single Ended Progressive Type Plate Snap Gauges
Thread Gauges
- IS 6175 - ISO Metric Screw Threads
- IS 4218 - ISO Metric Thread Tolerances
- ANSI/ASME B1.2 - Unified Inch Screw Threads
- BS 84 - BSW/BSF Threads
- BS 21 / ISO 7-1 - Pipe Threads
API Gauges
- API Specification 5B - Threading, Gauging & Inspection
- API Specification 7-2 - Rotary Shouldered Connections
- API RP 7G - Drill Stem Design and Operating Limits
Technical Specifications
| Material | OHNS (W) / Tungsten Carbide |
| Hardness | 60 ± 2 HRC |
| Sub-Zero Treatment | -80°C for dimensional stability |
| Surface Finish | Mirror / Ground finish as specified |
| Tolerance Class | As per IS / ISO / API standards |
| Calibration | Traceable to National/International Standards |
Our Quality Commitment
Need Quality Gauges?
Experience the DSN Enterprises quality difference. Contact us for precision gauges backed by our rigorous quality assurance.