Tungaloy Expands RoundSplit Series with Advanced Round-Insert Cutter for Superior Stability and Surface Finish in Steel Machining!

Tungaloy-NTK America Inc., a global leader in innovative cutting tool technology, has announced the expansion of its RoundSplit series, introducing a new round-insert cutter designed to deliver exceptional stability, productivity, and surface quality in steel and stainless steel machining. The latest addition to the RoundSplit family features serrated cutting edges combined with wear-resistant PVD grade AH3135, providing machinists with a highly efficient solution for combating vibration and chatter during demanding operations.

In general machining, operations involving long tool overhangs are particularly susceptible to vibration and chatter, often leading to compromised surface finish, reduced tool life, and inconsistent dimensional accuracy. Moreover, shops that handle both steel and stainless steel typically require different insert grades tailored to each material, resulting in increased tool inventory and longer setup times. Tungaloy’s latest RoundSplit innovation directly addresses these challenges by offering a versatile, chatter-resistant milling cutter suitable for multiple materials and machining conditions.

At the heart of this cutter’s performance is its unique serrated (wave-shaped) cutting edge design, which effectively disperses vibrations generated during machining. This anti-vibration geometry allows smoother cutting action, reducing cutting resistance and ensuring consistent surface finishes—even under high-speed or long overhang conditions. By suppressing chatter, the RoundSplit cutter enhances stability, minimizes tool wear, and promotes reliable cutting performance in applications that traditionally pose rigidity challenges.

The cutter’s inserts are made with Tungaloy’s advanced PVD-coated grade AH3135, a material engineered to strike an optimal balance between wear resistance and toughness. This coating enhances edge integrity, reduces the likelihood of chipping or breakage, and provides superior durability during interrupted cutting operations or when machining under unstable conditions. As a result, users experience extended tool life, fewer tool changes, and significant cost savings over time.

Key benefits of the new RoundSplit cutter include:

• Exceptional anti-vibration performance: The serrated cutting edge design suppresses chatter even during long overhang or high-feed machining.
• Improved surface finish: The vibration-damping geometry ensures smoother cutting and prevents roughness caused by instability.
• Enhanced tool life: The PVD AH3135 grade provides robust resistance against chipping and wear, extending operational uptime.
• Higher productivity: Reduced tool changes and consistent cutting performance streamline workflow and boost efficiency.

With this launch, Tungaloy continues its legacy of engineering cutting tools that merge innovation, performance, and practicality. The expanded RoundSplit lineup reflects the company’s deep understanding of real-world machining challenges and its commitment to developing solutions that optimize shop floor performance across a wide range of industries, from general manufacturing and automotive to energy and aerospace.

By delivering stability, precision, and longer tool life, the new Tungaloy RoundSplit round-insert cutter empowers manufacturers to achieve superior results with fewer interruptions—setting a new benchmark in efficient and reliable steel and stainless steel machining.