An electric vehicle, a satellite and a medical device seem to belong to completely different worlds.
One moves on our roads, another travels into space, and the third may be responsible for improving or even saving a life. Yet, long before any of them reaches the end user, all three depend on something they have in common: precision manufacturing.
And behind that precision is a rather unassuming instrument—a granite surface plate.
Used as a reference surface for inspecting and measuring components, a granite surface plate is one of the most basic tools in a precision workshop. It provides the flat reference against which dimensions, alignment and component accuracy can be checked.
As Indian manufacturing moves into increasingly sophisticated industries, the importance of such basic measurement infrastructure is quietly growing.
“The Indian manufacturing industry is moving towards tighter tolerances and greater consistency. Precision is not just a buzzword, it is what Indian Manufacturers bring to the table when they compete with the best globally. That makes reliable measurement equipment an important part of the manufacturing ecosystem.”
— Apurva Narang, SUMMIT Tools, a manufacturer of Precision Tools and Equipment
The scale of this transition is significant. India’s space economy, estimated at around $8.4 billion in 2023, is projected to reach approximately $44 billion by 2033. The country’s medical-device industry is also expanding, with domestic manufacturing and exports becoming increasingly important. Meanwhile, the rapid growth of electric vehicles is creating demand for a much larger ecosystem of precision-engineered components.
None of these industries can afford to treat measurement as an afterthought.
International standards such as ASME B89.3.7 specifically address granite surface plates used for high-accuracy locating, layout and inspection, including their accuracy and verification. But for manufacturers, the practical question is often simpler: Is the surface plate I am buying accurate, and can I get it when I need it?
That is becoming an important consideration in India’s fast-moving manufacturing environment.
“We are seeing a clear shift in what customers expect from precision equipment. A surface plate is not simply a piece of granite—it is a reference instrument. Customers want ready availability and also want confidence in the accuracy of the individual plate they are receiving. That is why we provide our granite surface plates with individual inspection certificates and maintain ready stock.”
— Apurva Narang, SUMMIT Tools
There is also a larger lesson here.
Modern manufacturing is increasingly associated with robots, CNC machines, automation and artificial intelligence. Yet precision still begins with something much simpler: establishing a reliable reference and knowing whether the component in front of you is actually within specification.
But somewhere in the manufacturing chain, there may have been a simple granite surface plate quietly answering one fundamental question:
Is it accurate?
And sometimes, the answer begins with a very flat piece of granite.
