1mm to 250mmMost requested
Plain Plug Gauges
1mm to 250mm - OHNS (W) & Carbide, hardness 60 ± 2HRC, SUB-ZERO treated.
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DSN Enterprises is a leading manufacturer and supplier of high-precision gauges and measuring instruments for industrial applications.
Our company supplies precision measuring instruments engineered for industrial applications. Distribution and after‑sales support are provided via our trusted partner, Unik Gauges, located in Pune.
1mm to 250mm1mm to 250mm - OHNS (W) & Carbide, hardness 60 ± 2HRC, SUB-ZERO treated.
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6mm to 125mmPrecision ring gauges for accurate shaft measurement, available in various sizes.
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6mm to 250mmMaster setting gauges for calibration and reference, manufactured to high precision.
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Various sizesQuick and accurate external dimension measurement, custom specifications available.
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Various thread sizesPrecision thread plug gauges for accurate measurement and inspection of internal threads.
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Various thread sizesHigh-quality thread ring gauges for external thread verification and calibration.
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API 5B & 7-2 certifiedDSN Enterprises is a leading manufacturer and supplier of precision gauges and measuring instruments, established with a commitment to quality and innovation.
With state-of-the-art manufacturing facilities and a team of highly skilled engineers, we provide comprehensive solutions for dimensional measurement needs across various industries.
Our manufacturing processes and quality management systems are ISO certified, ensuring the highest standards of quality and reliability.
Beyond manufacturing and calibration, our engineers work with your drawings and inspection plans so you order the right gauges the first time and keep them fit for use in production.
Review of component drawings, thread notes, and gauge schemes before you freeze tooling, limits, PD, and wear allowances aligned to how you inspect on the shop floor.
Help choosing plain, thread, or special gauges and interpreting ISO / IS gauging practice so go / no-go decisions match your process capability.
Guidance on calibration intervals, NABL traceability, and what to expect on certificates when you ship masters or working gauges between sites.
Short sessions for inspectors and planners on handling, storage, and interpretation of results, tailored to your standards checklist.
We offer a comprehensive range of services to meet all your measurement and calibration needs.
Contact NowNABL accredited calibration services for all types of gauges and measuring instruments.
Custom designed and manufactured gauges for special applications and unique requirements.
Comprehensive testing and certification services for quality assurance.
We are proud to be recognized by leading industry organizations for our commitment to quality and excellence.
ISO 9001:2015 certification for our quality management system.
ISO/IEC 17025:2017 accreditation for competence in testing and calibration laboratories.
Scope of NABL accreditation for UNIK Gauges & Tools Calibration Laboratory (PDF).
Our certifications reflect our dedication to maintaining the highest standards in manufacturing, calibration, and quality control processes.
Have questions or need a quote? Contact us today and our team will get back to you as soon as possible.
Practical notes on gauge selection, calibration intervals, and shop-floor inspection from our engineering team.
In a through hole the gauge runs out the far side. In a blind hole the thread ends in a drill point, and what the gauge can reach decides what you can claim about the thread.
A fixed snap gauge is made once for one size. An adjustable one is set to size with slip gauges and can be reset as the anvils wear. Which is cheaper depends on how long the job runs.
Sending a plug gauge for calibration should not feel like posting it into a black box. What the lab actually checks, which member wears first, how often to recall, and what the certificate should tell you.
Two steel blocks with no glue holding them together, and yet they cling like they were cast as one. The wringing film is old metrology, but doing it wrong quietly corrupts every stack you build on it.
Pitch diameter is the number that decides whether a thread fits, and you cannot reach it with a plain micrometer. Three precision wires and a micrometer can, if you pick the right wire size and trust the arithmetic.
Steel corrodes noticeably above about 60% relative humidity, and a monsoon shop sits at 80%. Storage, handling and the inspection that catches pitting before it reaches the gauging surface.