Turning insert

ONGU080604

Octagonal turning insert, 6.35 mm thick, 0.4 mm corner radius. This size is in our production range. Grade and coating are matched to your material and operation.

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Illustration drawn from the designation, not to scale. Colour depends on the coating.

Reading the code

What ONGU080604 means

The designation follows ISO 1832 and states the insert’s basic features. Confirm the fit with the pocket and clamping system of your holder or cutter.

Code	Feature	Meaning
O	Shape	Octagonal
N	Clearance angle	0° (negative insert)
G	Tolerance class	Class G
U	Hole and chipbreaker	Hole countersunk on both sides, chipbreaker on both faces
08	Cutting edge length code	08 (about 8 mm)
06	Thickness	6.35 mm
04	Corner	0.4 mm nominal

Dimensions are nominal values from the standard. Chipbreaker geometry, carbide grade and coating are not part of the ISO code; tell us the workpiece material, operation and quantity and we confirm them with the quotation.

Guides: ISO material groups · Inserts for stainless steel

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