RDMT 1604 Milling Inserts
Compare suitable materials and applications, then choose a brand to view the exact SKUs.
- ISO Code
- RDMT1604
- Insert Size
- 1604
- Shape
- R
Find the Right Option
Select the workpiece material and application. Brand remains optional.
Brands
All available options for this parent model.
RDMT 1604 is a round milling insert with many usable cutting edges, used mainly for the strongest edge available — roughing, hard skins, long reach. We list 1 stock-keeping variants of it from Achteck, covering Cast iron.
Milling inserts are chosen to match the cutter body — lead angle, number of teeth and the geometry designated by the manufacturer. The milling insert selection guide walks through that; this page lists what we actually hold in RDMT 1604.
Geometry and dimensions
| Insert family | RDMT |
|---|---|
| Category | Milling Inserts |
| Shape | round (R) |
| Usable cutting edges | many |
| Inscribed circle (IC) | 16 mm |
| Thickness (S) | 4.76 mm |
| Fixing hole diameter (D1) | 5.5 mm |
| Hand | Neutral |
| Variants in stock | 1 |
| Brands | Achteck |
Carbide grades available
1 variants of RDMT 1604 are stocked in these grades: AC301K.
Across this range the grades specified most often are AC301K. Within one brand's range, a higher middle digit usually means a tougher grade — better on interrupted cuts, slightly less wear resistant. See carbide grades explained for how to read the names.
Chipbreaker geometries
Chipbreakers stocked for RDMT 1604: MM3.
For milling, the geometry code marks the intended duty — sharper for light cuts and better finish, stronger for scale and interruption. Milling insert selection guide.
Typical applications
- Profile Milling
- Face Milling
- Ramp Milling
- Helical Interpolation
- Pocket Milling
For more on cutting cast iron, see our material-specific guide.