Mitsubishi SPMW120304 UTI20T | Carbide Milling Insert for Steel 12mm Shank What is the best cermet

What is the best cermet insert for high-gloss finishing on alloy steel

*Pro Tip: Higher cutting speeds with cermet will generally result in a superior surface finish

It reduces cutting resistance and prevents vibration during thin-walled or high-precision cuts

Material Group Cutting Speed ($v_c$) Feed Rate ($f$) Depth of Cut ($a_p$) Stainless Steel (SUS304) 120 - 200 m/min 0

Machining tough forged steel bars didn't cause any pocket deformation

Mitsubishi SPMW120304 UTI20T | Carbide Milling Insert for Steel 12mm Shank What is the best cermetSPMW120304 UTI20T Mitsubishi Materials Uncoated Carbide for Extreme Edge Toughness The Mitsubishi SPMW120304 UTI20T is a workhorse indexable carbide insert designed for general purpose milling. Utilizing the legendary UTI20T grade, this insert is the go to choice for workshops requiring a long tail tool solution that balances cost effectiveness with high fracture resistance. It is exceptionally stable for machining stainless steel, alloy steels, and