Grades Selection (Turning)
- Products
- Grades Selection (Turning)
General Steel , Soft Steel

Coated Carbide
AC8015P
Development of crater damage is suppressed by controlling the orientation of the alumina crystal grains. Achieves long, stable tool life during high-speed and high feed cutting.
AC8025P
Our 1st recommended grade for turning steel. Surface smoothing technology significantly suppresses adhesion of work material components. Achieves long, stable tool life with various cutting speeds and work materials.
AC8035P
Tensile stress removal of the coating layer greatly improves fracture resistance. Achieves long, stable tool life during heavy interrupted cutting.
For Small Lathes
AC1030U
Employs a new PVD coating, and a dedicated tough carbide substrate. High-quality cutting edge grade suppresses adhesion and micro-chipping, realizing excellent machined surface quality.
Coated Cermet
T1500Z
Employs Brilliant Coat PVD coating with excellent lubricity to provide better wear resistance and consistent surface finishes in low-speed cutting applications such as machining of small products or low carbon steel.
Cermet
T1000A
High-hardness cermet with outstanding wear resistance and toughness. Realises high dimensional accuracy for continuous steel machining or finishing of powdered metal or cast iron.
T1500A
A general-purpose cermet made from hard grains with different grain sizes, delivering functionality that provides an excellent balance of wear resistance and toughness, along with good surface finish quality.
Stainless Steel

Coated Carbide
AC6020M
Combines a high-hardness carbide substrate with excellent wear resistance and a new CVD coating with improved coating strength to achieve both excellent wear resistance and fracture resistance. Achieves long, stable tool life during high-speed cutting.
AC6030M
Our 1st recommended grade for turning of stainless steel, achieving long and stable machining. Drastically reduces the abnormal damage common in stainless steel machining, thanks to the improved coating strength and excellent adhesion.
AC6040M
Drastically improves reliability in the unstable cutting range, thanks to the excellent adhesion and peel-off resistance of the new PVD coating as well as the improved fracture resistance of the dedicated carbide substrate.
For Small Lathes
AC1030U
High-quality cutting edge grade suppresses adhesion and micro-chipping, realizing excellent machined surface quality.
Cermet
T1000A
High-hardness cermet with outstanding wear resistance and toughness. Realises high dimensional accuracy for continuous steel machining or finishing of powdered metal or cast iron.
T1500A
A general-purpose cermet made from hard grains with different grain sizes, delivering functionality that provides an excellent balance of wear resistance and toughness, along with good surface finish quality.
Cast Iron

Coated Carbide
AC4010K
Superior wear and plastic deformation resistant grade, that utilizes a high hardness carbide substrate coupled with the high hardness Super FF Coat for high speed to continuous turning of Cast Iron.
AC4015K
Our 1st recommended grade for ductile cast iron. New high-adhesion, high-strength CVD coating realises both wear resistance and chipping resistance.
AC420K
Superior fracture resistance, providing excellent stability in interrupted unstable cutting and when cutting mill-scaled work.
For Small Lathes
AC1030U
High-quality cutting edge grade suppresses adhesion and micro-chipping, realizing excellent machined surface quality.
Cermet
T1000A
High-hardness cermet with outstanding wear resistance and toughness. Realises high dimensional accuracy for continuous steel machining or finishing of powdered metal or cast iron.
Exotic Alloy

Coated Carbide
AC5015S
Our 1st recommended grade for turning exotic alloys as it realises stable tool life with high-speed, high-efficiency machining.
AC5025S
High-toughness grade for realising stable tool life for interrupted cutting machining or mill-scaled work.
Carbide
EH510
General-purpose grade for titanium machining that features excellent wear and thermal resistance. For applications from roughing to finishing.
EH520
Tough grade for titanium machining with excellent fracture and thermal resistance. Perfect for interrupted cutting and mill-scaled work.
CBN (SUMIBORON)
NCB100
Achieves high-efficiency, improved machining accuracy, and long tool life in machining of exotic alloys such as titanium alloy and Co-Cr alloys.
Hardened Steel

Coated CBN (SUMIBORON)
BNC2010
For high-precision finishing requiring good surface roughness and dimensional tolerance. Maintains excellent surface roughness thanks to coating with high boundary wear resistance and CBN substrate.
BNC2020
General-purpose grade suitable for typical hardened steel machining applications. Achieves long tool life thanks to highly wear-resistant, highly adhesive coating and tough CBN substrate.
CBN (SUMIBORON)
BN1000
For high-speed machining, BN1000 provides the highest wear resistance of all uncoated SUMIBORON grades, improving fracture resistance while maintaining an emphasis on wear resistance.
BN2000
For high-speed machining, BN1000 provides the highest wear resistance of all uncoated SUMIBORON grades, improving fracture resistance while maintaining an emphasis on wear resistance.
Non-Ferrous Metal
Powdered Metal

Coated Carbide
AC510U
For continuous to partially interrupted machining of exotic alloy
Grade with an emphasis on wear resistance and thermal resistance for continuous machining of exotic alloy. Can also be used for interrupted machining of cast iron.
Cermet
T1000A
High-hardness cermet with outstanding wear resistance and toughness. Realises high dimensional accuracy for continuous steel machining or finishing of powdered metal or cast iron.
CBN (SUMIBORON)
BN7500
Grade maintaining ultimate cutting edge sharpness, suitable for finishing of powdered metal.
BN7000
Grade exhibiting improved wear and fracture resistance in roughing of sintered materials.