Bantam Tools
Bantam Tools Desktop CNC Milling Machine
$6999
Released 2019-01-01
Best Desktop Cnc Machines · head-to-head
Bantam Tools Desktop CNC Milling Machine vs Sienci LongMill MK2 (48x30)
A sourced, side-by-side comparison. Sienci LongMill MK2 (48x30) is cheaper at $1799. Every spec and price links to its source.
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Sienci Labs
Sienci LongMill MK2 (48x30)
$1799Cheaper
Released 2022-02-01
Which is better: the Bantam Tools Desktop CNC Milling Machine or Sienci LongMill MK2 (48x30)?
On the specs we track, they're closely matched. The Sienci LongMill MK2 (48x30) is the cheaper at $1799.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Bantam Tools Desktop CNC Milling Machine | Sienci LongMill MK2 (48x30) |
|---|---|---|
| US price | $6999 | $1799 |
| Brand | Bantam Tools | Sienci Labs |
| Released | 2019-01-01 | 2022-02-01 |
| Work area x (mm) | 178 | 1219 |
| Work area y (mm) | 229 | 762 |
| Work area z (mm) | 84 | — |
| Spindle power (W) | 250 | 710 |
| Spindle speed (rpm) | 10,000-28,000 | 10,000-30,000 |
| Frame material | Fully enclosed steel chassis with powder-coat finish | Extruded aluminum rails with UHMW/HDPE wheels, lead screw drive on all axes |
| Controller firmware | Bantam Tools Milling Machine Software (proprietary, USB-connected) | Sienci controller box (GRBL-based), gSender sender software |
| Max feed rate mm min | 6350 | — |
| Repeatability (mm) | 0.025 | — |
Sources — Bantam Tools Desktop CNC Milling Machine: bantamtools.com (verified 2026-08-09). Sienci LongMill MK2 (48x30): sienci.com (verified 2026-08-09).
What's the difference between the Bantam Tools Desktop CNC Milling Machine and Sienci LongMill MK2 (48x30)?
Where the two actually differ on the specs we track (6 of 9). Matching specs are omitted.
- Work area x (mm): Bantam Tools Desktop CNC Milling Machine 178 vs Sienci LongMill MK2 (48x30) 1219
- Work area y (mm): Bantam Tools Desktop CNC Milling Machine 229 vs Sienci LongMill MK2 (48x30) 762
- Spindle power (W): Bantam Tools Desktop CNC Milling Machine 250 vs Sienci LongMill MK2 (48x30) 710
- Spindle speed (rpm): Bantam Tools Desktop CNC Milling Machine 10,000-28,000 vs Sienci LongMill MK2 (48x30) 10,000-30,000
- Frame material: Bantam Tools Desktop CNC Milling Machine Fully enclosed steel chassis with powder-coat finish vs Sienci LongMill MK2 (48x30) Extruded aluminum rails with UHMW/HDPE wheels, lead screw drive on all axes
- Controller firmware: Bantam Tools Desktop CNC Milling Machine Bantam Tools Milling Machine Software (proprietary, USB-connected) vs Sienci LongMill MK2 (48x30) Sienci controller box (GRBL-based), gSender sender software