





Founded in 1973, National Thread Grinding started with just two machines and a vision to provide high-quality thread rolling tooling. Recognising a gap in the market, Riccardo Cherti set out to build a company driven by innovation, precision and strong family values. With the support of his wife, Ramona, NTG quickly established itself as a trusted name in the industry.
What began as a small operation has grown into a company with over 30 dedicated employees, all committed to upholding the same craftsmanship and excellence that defined NTG from the start. Today, the next generation continues to build on this foundation, ensuring NTG remains at the forefront of the industry.
To be the leading supplier of thread rolling tools, delivering a comprehensive range of high-quality solutions tailored to diverse industry applications. We are dedicated to innovation, precision and exceptional service, ensuring our clients have the tools they need for reliable and efficient production.
Riccardo Cherti, the visionary founder of National Thread Grinding began his career as a Grinderman Tradesman in Switzerland’s automotive industry. Originally from Italy, Riccardo’s journey took him across Europe, where he honed his skills and expertise in the field. His passion for innovation and craftsmanship set the stage for his future endeavours.
In 1973, after relocating to South Africa, Riccardo identified a unique opportunity to establish a company dedicated to high-quality thread rolling machinery. With just two machines and the unwavering support of his wife, Ramona, he laid the foundations of National Thread Grinding. Built on innovation, dedication and strong family values, Riccardo’s legacy continues to inspire the company’s commitment to excellence today.
Riccardo Cherti founded National Thread Grinding in South Africa, recognizing the demand for high-quality thread rolling machinery. With just two machines and the support of his wife, Ramona, he laid the foundation for the company’s future success. Through dedication and innovation, the business steadily gained recognition and began expanding, driven by Riccardo’s vision and commitment to excellence.
National Thread Grinding continued to evolve, incorporating advanced technologies and expanding its reach into diverse industries such as mining, automotive, aviation and building.
The company strengthened its foundations by remaining true to Riccardo’s core values of quality, innovation and family. With the business thriving, the focus shifted to preparing for the next generation of leadership.
Today, National Thread Grinding is a respected leader in thread rolling machinery, with over 30 dedicated employees. The company remains committed to upholding Riccardo’s standards of craftsmanship and service, driving innovation for future success.
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Spanish mackerel yellow weaver sixgill sandperch flyingfish yellowfin cutthroat trout grouper whitebait horsefi Bichir neon tetra blue eye bleak sergeant major lumpsucker tilapia Ratfish darter leatherjacket woody sculpin fierasfer Pacific salmon Chinook salmon zebra danio nase. Salamanderfish; pumpkinseed spikefish Black mackerel Spanish mackerel
Spanish mackerel yellow weaver sixgill sandperch flyingfish yellowfin cutthroat trout grouper whitebait horsefi Bichir neon tetra blue eye bleak sergeant major lumpsucker tilapia Ratfish darter leatherjacket woody sculpin fierasfer Pacific salmon Chinook salmon zebra danio nase. Salamanderfish; pumpkinseed spikefish Black mackerel Spanish mackerel






