The N123H2-0400-0004-GF 1125 is a high-performance grooving and parting-off insert designed for precision machining applications. Manufactured with ’s advanced 1125 carbide grade, it offers exceptional wear resistance, heat resistance, and stability, making it ideal for machining stainless steel and alloy steel in medium to large-volume production.

Featuring the efficient GF geometry, the insert ensures smooth cutting, improved chip evacuation, and reduced cutting forces. Combined with the H2 optimized seat design, it delivers high process security in narrow grooving applications and minimizes the risk of insert breakage.

Whether used on CNC turning centers or automatic lathes, this insert guarantees consistent groove width, excellent surface finish, and longer tool life—making it a reliable choice for precision component manufacturers.

• ✔ Grade 1125 for stable machining of stainless steel and steel.
• ✔ GF geometry enables light cutting, better chip control, and lower heat generation.
• ✔ High dimensional accuracy for consistent and precise groove quality.
• ✔ Suitable for both medium and high-speed machining.
• ✔ Long tool life for reduced production cost and improved efficiency.

• Stainless Steel
• Alloy Steel
• General Steel

• Precision grooving
• Parting-off
• Small component machining (automotive, medical, electronics)
• CNC turning centers / automatic lathes