Finish sharp. Stay online longer. The Kyocera VBMT160408HQ TN60 insert brings unmatched finish quality, edge stability, and production uptime for your steel components.


The Kyocera VBMT160408HQ TN60 is a high-performance cermet turning insert designed for machinists who demand long tool life, superior wear resistance, and outstanding surface finish in precision applications.

With its 35° diamond geometry (VBMT) and HQ chip breaker, this insert provides smooth chip evacuation, stable cutting, and reduced cutting forces—ideal for external turning, facing, profiling, and light finishing.

The TN60 grade is Kyocera’s premium cermet grade, engineered with a tough TiC/TiN/TiCN/NbC composite structure. This unique composition delivers:

  • Exceptional wear resistance against abrasion and flank wear

  • High edge stability, minimizing chipping and fracture

  • Consistent mirror-like surface finish across steels and stainless steels

Unlike conventional coated carbides, TN60 excels in uncoated, high-stability finishing operations, ensuring accuracy, lower cost per component, and fewer tool changes.

Why Machinists Trust It:
Less tool swapping, cleaner parts, and longer runs—this insert solves your productivity puzzle.

Key Features

  • Geometry: 35° diamond (VBMT) insert—ISO VBMT160408HQ—with 2 cutting edges, positive rake, and honed edge for smooth chip flow and consistent finishes.

  • Grade: TN60 cermet—optimized for steel and stainless steel finishing. Delivers a balance of toughness and superior wear resistance, combining TiC, TiN, TiCN, NbC composites.

  • Coating/Finish: Uncoated surface (TiCN/NbC finish)—perfect for stability and surface quality in finishing applications, especially in steels.

  • Cutting Applications: Ideal for external turning, facing, profiling, and light rough finishing—especially where precision and surface finish are crucial.

Why It's a Best Seller

  • Extended Tool Life & Wear Resistance: TN60’s cermet composition withstands abrasion and resists edge rounding better than traditional carbides.

  • Premium Surface Finish: Honed cutting edges and stable geometry produce a mirror-smooth finish—especially on ferrous materials.

  • Reduced Downtime: Dual-edge design and long-lasting edge integrity mean fewer tool changes and constant production flow.

  • Reliable in Critical Operations: Trusted for high-precision finishing in steel components where quality can’t be compromised.

Applications

Suitable for demanding sectors where precision, reliability, and finish are essential:

  • Automotive – steel components, shafts, bushings

  • Aerospace – stainless and alloy steel precision parts

  • Die & Mold – finishing hardened steels and mold components

  • General Engineering – precision turned parts, shafts, and high-run components

Benefits

  • Cermet TN60 grade—wear-resistant, tough, precision finish

  • 35° diamond VBMT geometry—positive rake, honed edge, two cutting edges

  • Optimal for finishing—steel and stainless parts with mirror-like surfaces

Order Now

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Frequently Asked Questions

It excels in finishing applications on steel and stainless steel, thanks to TN60’s wear-resistant cermet grade.

The VBMT (35° diamond) shape has a positive rake and honed edge with two usable cutting edges—designed for consistent chip flow and mirror finishes.

No—it uses an uncoated surface with TiCN/NbC finish that offers excellent stability and edge strength for finishing operations.

TN60 is a cermet grade combining toughness and wear resistance, offering longer tool life and improved finish over standard carbide grades in steel finishing.

Ideal for external turning, facing, and profiling tasks—particularly where fine finishes and durability are required.