THE ISO designation system for indexable insertsThe ISO designation system for indexable inserts (ISO 1832) is a standardized system to name an indexable insert.The system is designed so that each important feature and dimension of the insert is shown using a code system. This becomes the name of the insert.  This system has several advantages:Unique naming of an indexable insert (supplier independent)All important features and dimensions are clearly stated in the nameSome code positions relate to the insert carrier in which the insert can be mounted It's important to remember that the ISO designation system is not a system that standardizes the quality of the insert. Neither the carbide grade nor the cutting geometry is standardized in this designation system.    This is an example for milling inserts. For other applications, you can refer to the relevant Machining Navigator.  Do you want to know more?Contact Us Inline Content - SurveyCurrent code - 5fce8e61489f3034e74adc64

If you are looking for a cost-effective alternative for hard turning, look no further – the type AH4205 is ideal for steels up to 52 HRC. Especially when combined with the NFS geometry, this type achieves the highest surface qualities down to RA 0.2 μm with excellent tool life. This is due to the very hard base substrate, a PVD multilayer coating, excellent wear and temperature resistance as well as optimum chip breakage and evacuation.

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Why hard turning? Because it is very efficient, guarantees extreme tool life and excellent surface qualities, and protects the environment. Why ARNO? Firstly, because our coated CBN inserts stand out due to their incredible hardness (up to 65 HRC) and heat resistance, which is achieved via an even distribution of CBN grain and binder as well as a high degree of purity. And secondly, because ARNO offers the optimum solution for every application via seven insert types and two chamfer designs – even for extremely hard materials and the highest cutting speeds.

From precision machining of thin-walled workpieces to roughing of large components, ARNO has the optimum indexable insert for every application.

For perfect surface finishes on steels up to 52 HRC, we also offer a combination of the NFS chip-breaker and AH4205 type.

It's important to remember that the ISO designation system is not a system that standardizes the quality of the insert. Neither the carbide grade nor the cutting geometry is standardized in this designation system.

Ideal for fine machining of high-temperature materials and stainless steels: high-positive indexable inserts with edge-honed executions from ARNO.

Ideal for long-chipping materials, thin-walled components and optimal surface qualities – high-positive indexable inserts with sharp edge executions from ARNO.

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The system is designed so that each important feature and dimension of the insert is shown using a code system. This becomes the name of the insert.