Tools / Milling Cutters / Overview of Milling Cutters / Uncoated Carbide

Uncoated carbide inserts are composed of tungsten carbide without any surface coatings. These tools are typically used in applications where coatings may not provide added value, such as non-ferrous metals or low-speed machining tasks. Due to their straightforward structure, uncoated carbide tools offer reliable cutting performance with consistent edge wear, making them suitable for predictable and controlled machining conditions.

They are also commonly used in environments where chemical reactions with coatings might be undesirable or where operators require better control over cutting edge behaviour.

Key Features

  • Uniform Wear Pattern: Without coatings, these tools wear more uniformly, offering predictable tool life and simplifying process monitoring.
  • Sharp Cutting Edges: Uncoated inserts typically have sharper edges compared to coated alternatives, helping to reduce cutting forces in softer or ductile materials.
  • Thermal Stability: Performs reliably at moderate cutting speeds and under stable thermal conditions where coating benefits are limited.
  • Versatile Material Compatibility: Particularly effective in cutting materials where coatings may cause build-up or degradation.

Applications

  • Non-Ferrous Metals: Commonly used for machining materials such as aluminium, brass, and copper where coating layers might cause unwanted chemical reactions or material adhesion.
  • Low-Speed Finishing Operations: Effective in controlled finishing processes that do not involve high heat generation.
  • Manual and Light CNC Turning: Suitable for workshops and machine settings that prioritise simple insert performance without the complexity of coated tools.

  • YK30F

    ISO: K30

    Uncoated K30 carbide substrate for steel, stainless steel, cast iron and non ferrous materials.

  • YK40F

    ISO: K20 — K30, N20 — N30

    Uncoated K20–K30/N20–N30 carbide substrate for cast iron and non ferrous materials.

YD201

ISO: K10 — K30, N10 — N30

Uncoated N10–N30/K10–K30 carbide substrate for medium application in aluminium and other material.

YD101

ISO: K05 — K20, N05 — N20

Uncoated N05–N20/K05–K20 carbide substrate for fine to medium application in aluminium and other material.