Original Gauge Company

05/05/2026

Looking for a faster and more reliable way to inspect internal bores and O-ring grooves?

A Rok-It gauge offers a simple but highly effective solution. Its spherical-ended design allows the gauge to rock through the feature, helping operators quickly verify tolerance while also identifying common form defects such as ovality, taper, and barrelling.

The result? Quicker shop-floor checks, less operator variation, and more confidence in sealing-critical features.
A great example of how the right gauging solution can improve both inspection speed and quality assurance. At OGC, we are able to manufacture Rok-It gauges to meet the needs of customers requiring dependable, high-precision inspection tools.

08/04/2026

Looking for a faster and more reliable way to inspect internal bores and O-ring grooves?

A Rok-It gauge offers a simple but highly effective solution. Its spherical-ended design allows the gauge to rock through the feature, helping operators quickly verify tolerance while also identifying common form defects such as ovality, taper, and barrelling.

The result? Quicker shop-floor checks, less operator variation, and more confidence in sealing-critical features.

A great example of how the right gauging solution can improve both inspection speed and quality assurance. At OGC, we are able to manufacture Rok-It gauges to meet the needs of customers requiring dependable, high-precision inspection tools.

14/02/2026

05/02/2026

Understanding Ring Gauges of all Types – and Why OGC Sets the Standard

A ring gauge in the form of Thread, Plain Diameter of Spline is one of the most fundamental yet vital tools in precision engineering. Simply put, it’s a hardened cylindrical ring, manufactured from thermally stable material (often O1 Tool steel), with its internal diameter finished to an exact tolerance and can be offset from an international standard to allow for plating and surface treatments. It’s used to check, calibrate, and validate the external diameter of cylindrical parts with complete confidence.

At The Original Gauge Company (OGC), we manufacture and calibrate ring gauges for customers across industries where reliability cannot be compromised. Whether for production, inspection, or calibration, our gauges give engineers the certainty they need to keep processes running smoothly.

Read more from our MD below.

Understanding Ring Gauges of all Types – and Why OGC Sets the Standard - A ring gauge in the form of Thread, Plain Diameter of Spline is one of the most fundamental yet vital tools in precision engineering. Simply put, it’s a hardened cylindrical ring, manufactured from thermally stable material...

03/02/2026

This has got to be British precision at its absolute peak! At The Original Gauge Company, we are the UK’s leading specialists in spline and thread gauge manufacturing and we're shipping them worldwide.

MTD CNCs Rowan Easter-Robinson joins our MD. Russell Hicks of OGC for a tour of their ultra-precise EDM and temperature-controlled inspection setup, built for micron-level accuracy.

From one-off, non-standard forms to motorsport-grade quality, this is precision engineering done right.

This has got to be British precision at its absolute peak! The Original Gauge Company is one of the UK’s true specialists in spline and thread gauge manufact...

30/01/2026

Did you know you can stay up to date with The Original Gauge Company not only on our website, but also via the MTDCNC website.

We regularly share news, updates, and industry insight across MTDCNC another great place to keep up with what’s happening.

Why not take a look via the link below.

OCG is the world’s leading manufacturer of Thread Gauges, Spline Gauges, Plain Gauges, Rok-It Gauges, Variable Gauges, and Master Gears. Based on the South Coast of England, we service clients around the globe in the aerospace, defence, energy, infrastructure, automotive and motorsport industries,...

14/01/2026

It's all go at OGC!

Our late Christmas present has arrived, with the introduction of our latest EDM technology.
We are excited too get started with this, to provide our customers with world class UKAS accredited gauges as well as ultra-high accuracy components.

23/12/2025

Why ‘Good Enough’ Doesn’t Exist in Precision Measurement

In precision engineering, “close enough” isn’t close at all.

A few microns can mean the difference between:
✔ A perfect fit
✖ Premature wear
✖ Assembly issues
✖ Costly rework

That’s why precision gauges aren’t just tools — they’re decision-makers.

When measurements are accurate, everything downstream works better:
• Machining
• Assembly
• Performance
• Product lifespan

Precision isn’t about chasing perfection.
It’s about controlling variation, every time.

15/12/2025

Why ‘Good Enough’ Doesn’t Exist in Precision Measurement

In precision engineering, “close enough” isn’t close at all.

A few microns can mean the difference between:
✔ A perfect fit
✖ Premature wear
✖ Assembly issues
✖ Costly rework

That’s why precision gauges aren’t just tools — they’re decision-makers.

When measurements are accurate, everything downstream works better:
• Machining
• Assembly
• Performance
• Product lifespan

Precision isn’t about chasing perfection.
It’s about controlling variation, every time.

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08/12/2025

Did you see us featured on MTD CNC last week?

If not, don’t worry, you can still watch it. We were proud to open our doors and share what makes OGC one of the UK’s most trusted names in precision measurement.
In the feature, we showcased how our team supports engineering and manufacturing businesses with everything from bespoke plug and thread gauges to UKAS-accredited calibration services. Our work may often happen behind the scenes, but it has a direct impact on quality, compliance, and productivity across some of the most demanding industries in the country.

MTDCNC explored the technology we use, the specialists behind the work, and how our approach helps manufacturers reduce downtime, improve accuracy, and meet standards with confidence. Whether you manufacture aerospace components, medical devices, automotive parts, or everyday precision-engineered products, the reliability of your measurement tools is critical and that’s exactly where we come in.

If you missed our feature, don’t worry, you can still watch it now.

Original Gauge Company has invested in state-of-the-art technology for wire EDM to deliver spline gauges with lightning-fast turnaround. Their rapid lead tim...