ISO Turning Insert Code Decoder
Decode any ISO 1832 turning insert designation instantly. Type or paste an insert code like CNMG120408 and see what each character means — shape, clearance angle, tolerance, chip breaker type, size, thickness, and nose radius.
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How ISO Insert Codes Work
The ISO 1832 standard defines a 10-character code for indexable turning inserts. The first 4 characters are letters describing the geometry and mounting, followed by 6 digits for dimensions:
Pos 1
Shape
Pos 2
Clearance Angle
Pos 3
Tolerance
Pos 4
Type/Fixing
Pos 5-6
Edge Length
Pos 7-8
Thickness
Pos 9-10
Nose Radius
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