Korloy CCMT120408-HMP NC3120 Universal Steel Turning Insert (10pcs) SVUBR1212H11 and I get a great

and I get a great finish every time

Optimization Tip: For ultra-fine finishing in tiny bores

"内径溝入れのビビリが完全に解消、剛性が非常に高いです" BEYONDのSNGR16Q09ホルダーは非常に頑丈です。9GRチップを装着して自動車部品の内径スナップリング溝加工に使用していますが、突っ込み時のビビリがピタッと止まりました。刃先の寿命も延びて大満足です。

This geometry forces consistent spiral chip fracture

NC3030 (Tough/Anti-Chipping) Best for: Interrupted cuts (keyways

Korloy CCMT120408-HMP NC3120 Universal Steel Turning Insert (10pcs) SVUBR1212H11 and I get a greatThe Original Korloy CCMT120408 HMP NC3120 is an exceptionally versatile solution for medium to heavy steel turning. By combining the robust size 12 geometry with the NC3120 universal balanced grade and a 0. 8mm nose radius, this insert delivers high edge strength and stable tool life, making it suitable for a vast range of steel alloys and cutting conditions. Guide: Not sure if you need Size 12 or Size 09? Read our CCMT06 vs 09 vs 12: How to Choose