

HSS-CO 2 Flute Ball Nose End Mill 6290 RE
NACHI 6290 RE is the uncoated 2-flute ball nose end mill. A ball nose handles curved surfaces and 3D toolpaths; the coated equivalent is the AG 6420 2AGRE, and 6230 2SE covers flat-bottomed slots.
Specifications (22 items)
| Part No. | Dia. | Corner radius | Flute length | Overall length | Shank dia. | Flutes |
|---|---|---|---|---|---|---|
| AVFNARE0.75 | 1.5 | 0.75 | 3 | 55 | 6 | 2 |
| AVFNARE1 | 2 | 1 | 4 | 55 | 6 | 2 |
| AVFNARE1.25 | 2.5 | 1.25 | 5 | 60 | 6 | 2 |
| AVFNARE1.5 | 3 | 1.5 | 6 | 60 | 6 | 2 |
| AVFNARE2 | 4 | 2 | 8 | 70 | 6 | 2 |
| AVFNARE2.5 | 5 | 2.5 | 10 | 80 | 6 | 2 |
| AVFNARE3 | 6 | 3 | 12 | 90 | 6 | 2 |
| AVFNARE3.5 | 7 | 3.5 | 14 | 90 | 6 | 2 |
| AVFNARE4 | 8 | 4 | 16 | 100 | 8 | 2 |
| AVFNARE4.5 | 9 | 4.5 | 18 | 100 | 8 | 2 |
| AVFNARE5 | 10 | 5 | 20 | 100 | 10 | 2 |
| AVFNARE5.5 | 11 | 5.5 | 22 | 100 | 10 | 2 |
| AVFNARE6 | 12 | 6 | 24 | 110 | 12 | 2 |
| AVFNARE6.5 | 13 | 6.5 | 26 | 110 | 12 | 2 |
| AVFNARE7 | 14 | 7 | 28 | 110 | 12 | 2 |
| AVFNARE7.5 | 15 | 7.5 | 30 | 110 | 12 | 2 |
| AVFNARE8 | 16 | 8 | 32 | 140 | 16 | 2 |
| AVFNARE10 | 20 | 10 | 40 | 160 | 20 | 2 |
| AVFNARE12.5 | 25 | 12.5 | 50 | 180 | 25 | 2 |
| AVFNARE15 | 30 | 15 | 60 | 180 | 25 | 2 |
| AVFNARE16 | 32 | 16 | 60 | 200 | 32 | 2 |
| AVFNARE20 | 40 | 20 | 65 | 220 | 32 | 2 |
Specification Range
| Diameter | 1.5~40mm |
|---|---|
| Corner radius | 0.75~20mm |
| Flute length | 3~65mm |
| Overall length | 55~220mm |
| Shank diameter | 6~32mm |
Product Description
NACHI 6290 RE is the uncoated 2-flute ball nose end mill. A ball nose handles curved surfaces and 3D toolpaths; the coated equivalent is the AG 6420 2AGRE, and 6230 2SE covers flat-bottomed slots. It is made from cobalt high speed steel (HSS-CO), uncoated. Sizes cover diameter 1.5~40mm, corner radius 0.75~20mm, flute length 3~65mm, overall length 55~220mm, shank diameter 6~32mm, 2 flutes, 22 in total, made in Japan. Diameter 1.5~40mm - the largest ball nose range in this catalogue. It suits carbon and alloy steel, copper, aluminium and other non-ferrous metals with workpiece hardness up to HRC35. Typical uses: mould surface work, 3D contouring, radiused slots and chamfers. The family also includes the AG coated 6420 2AGRE (diameter 1~25mm, corner radius 0.5~12.5mm); use 6230 2SE for flat-bottomed slots and the bull-nose 6422 AGRERS-R to leave a corner radius. What is the largest radius available? A corner radius of 20mm at 40mm diameter - the largest ball nose in this catalogue, across 22 sizes.
Workpiece Materials & Hardness
- Steel (P)
- Non-ferrous metals (N)
Max. workpiece hardness HRC35
Related Resources
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