Tungaloy-NTK Cutting Tool (Thailand) Co., Ltd.

Tung-Tri: Offering chatter suppression and high-precision machining

A square shoulder milling cutter that suppresses chatter with its 3-corner insert and special multi-stage relief angle, achieving high-precision machined surfaces and cost-effectiveness.
Tung-Tri is a square shoulder milling cutter that employs economical 3-corner inserts, providing high-precision machined surfaces and high productivity while suppressing chatter. Its design with a special multi-stage relief angle enables stable machining and excellent wall surface accuracy. Furthermore, its body structure, which incorporates large-diameter screws and special clamping technology, achieves high clamping rigidity and suppresses resonance. It is a reliable tool that can be utilized for a wide range of applications, from shoulder milling to hole machining.
■ Features
- Economical 3-corner specification insert
・ Ultra-low resistance design equipped with a main cutting edge and a wiper edge.
・ Suppresses chatter with a special multi-stage relief angle.
・ Achieves excellent machined surface quality and wall surface accuracy.
- High-rigidity body design
・ Significantly improves clamping rigidity with large-diameter screws and special clamping technology.
・ Suppresses resonance with an unequal pitch design, enabling stable machining.
■ Specifications
- Product Number: No. 421-J (General)
- Insert Specifications: 3-corner insert, low-resistance design
- Body Characteristics: Large-diameter screws, special clamping technology, unequal pitch design
■ Machining Applications
- Shoulder milling
- Slotting
- Ramp milling
- Plunge milling / Side milling
- Hole machining (helical interpolation)
- Hole enlarging
Tung-Tri is a cutter that pursues both cost-effectiveness and precision while suppressing chatter in the machining environment. With its functionality and reliability for diverse machining operations, it significantly contributes to improving productivity.
■ For details, please download the PDF or feel free to contact us.

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