INDEXABLE INSERTS
CNGA Turning Inserts
Compare CNGA parent models by material and application before choosing a brand.
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CNGA is an 80° rhombic shape with four cutting edges — the default choice for general turning, and the most widely stocked turning geometry in the world. There are 4 sizes in this family and 21 insert variants in stock, covering Cast iron, Non-ferrous, Hardened steel.
Sizes in this family
Every CNGA size we carry, with the measured geometry and how many variants are in stock. Open a size for the full cutting data and grade list.
| Size | IC (mm) | Thickness (mm) | Nose radius (mm) | Variants | Material groups |
|---|---|---|---|---|---|
| CNGA 120408 | 12.7 | 4.76 | 0.8 | 8 | K, N, H |
| CNGA 120412 | 12.7 | 4.76 | 1.2 | 7 | K, H |
| CNGA 120404 | 12.7 | 4.76 | 0.4 | 5 | K, N, H |
| CNGA 120402 | 12.7 | 4.76 | 0.2 | 1 | N |
Grades stocked in this family
PB30, PB60, PB90, PD20.
The family is published for Cast iron, Non-ferrous, Hardened steel. Pick the grade from the group you are cutting — how to read grade names.
Which size do you need?
- Inscribed circle sets the maximum depth of cut. As a rule keep ap under about two thirds of the IC.
- Nose radius trades finish against strength. A larger radius gives better surface finish at the same feed and a stronger edge, but raises cutting force and cannot produce tight internal corners.
- Check the holder. The holder designation must carry the same shape letter and the same size digit as the insert.
Related
Supplied by Beijing Henglang Precision Tools Co., Ltd.