Zhejiang Younio Tools Co., Ltd. is a high-tech engineering company specializing in U-drills, gun drills, and advanced machining solutions for hard materials. Established in 1983, our company is headquartered in Wenling, Zhejiang, China, and operates a modern manufacturing facility covering more than 80,000 square meters.
For over 40 years, we have been dedicated to the development and production of high-performance drilling and boring systems. Through continuous innovation and investment in advanced manufacturing technologies, we have expanded our product portfolio to meet the evolving needs of customers worldwide.
Today, our products are distributed through a global network in more than 30 countries around the world.

In a groundbreaking advancement for the manufacturing sector, a leading tooling company has unveiled its latest innovation – the Large Diameter Rough Boring Head. This revolutionary product is poised to revolutionize heavy-duty machining operations, offering unprecedented performance and efficiency ......

A rough boring head, also known as a rough boring cutter or rough boring tool, is a specialized cutting tool used in machining operations to create or enlarge a hole in a workpiece.

The common tool shank of CNC tools has not been subject to dynamic balance test, so the rotating speed of the common tool shank cannot exceed 8000 rpm.