1/8" 2-Flute Down Cut Spiral (Solid Wood)
Same size as D03 down to the thousandth: 1/8” cutting diameter, 1/2” cutting length, 1/4” reduced shank, 2” overall. Different bit, though. Amana grinds this one with a steeper shear angle specifically for solid hardwood, where D03 is the general-purpose version that also handles composites and sheet goods.
Specifications
| Property | Value |
|---|---|
| Cutting diameter | 0.125” |
| Shank diameter | 0.250” (reduced-neck) |
| Flutes | 2 |
| Cutting length | 0.500” |
| Overall length | 2.000” |
| Geometry | Down cut spiral, acute shear angle, face-ground helix |
| Corner radius | None — square end |
| Material | Solid carbide |
| Coating | None |
Feeds & Speeds
For the X-Carve Pro and its 1.5 kW spindle. Amana rates this bit for 20,000–21,000 rpm, meaningfully higher than D03’s 14,000–16,000, so the wood presets below run faster across the board — same halved stepdown as D03 though, since that’s a function of the 1/8” shaft’s rigidity, not the flute grind.
| Material | RPM | Feed | Chipload | Plunge | Stepdown |
|---|---|---|---|---|---|
| Hard maple / oak | 20,000 | 180 ipm | 0.0045” | 22 ipm | 0.0625” |
| Soft maple / walnut / cherry | 20,000 | 195 ipm | 0.0049” | 23 ipm | 0.0625” |
| Plywood / veneered sheet | 21,000 | 210 ipm | 0.0050” | 23 ipm | 0.0625” |
| MDF / laminate | 21,000 | 225 ipm | 0.0054” | 27 ipm | 0.0938” |
| Softwood / pine | 21,000 | 225 ipm | 0.0054” | 27 ipm | 0.0938” |
| Acrylic / HDPE | 12,000 | 100 ipm | 0.0042” | 13 ipm | 0.0313” |
Notes
Maximum cut depth is 0.500”, same limit as D03 — shallow work only, nothing through 3/4” stock.
Ramp only here too, despite Amana’s own marketing. Amana’s copy for this bit specifically claims “fast plunge action,” but that’s describing the center-cutting tip’s ability to plunge axially, not a green light to ignore the chip-packing problem every downcut spiral has. The auger-downward geometry that makes this bit shear so cleanly is exactly what packs a straight plunge full of its own chips. House rule stands: ramp, don’t plunge.
Run this one over D03 whenever the material is solid hardwood and the finish matters — that’s the entire reason Amana ground it differently. Reach for D03 instead on plywood, MDF, or anything that isn’t solid lumber; its more general-purpose grind doesn’t leave performance on the table there the way this one might.
Same reduced-shank caveat as D03: Fusion’s flat-end-mill type won’t visualize the neck taper between the 1/8” flutes and 1/4” shank, but the shank diameter itself stores correctly for collet clearance.
Links
- Product page: Amana Tool 46341
- Machine: X-Carve Pro
- CAM library: Fusion hub library, Human Crafted (T13)