Millennium Mills Milo Fixture Plate — Hard-Anodized 6061
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Hard-anodized fixture plate for the Millennium Mills / Millennium Machines Milo (v1.5). Bolt it to the Milo's bare extrusion bed and you get a precise, repeatable workholding grid — one of the highest-value upgrades you can add to the machine.
This is the only hard-anodized fixture plate made for the Milo. Every other plate on the market is bare aluminum. The hard-anodize is harder, more wear- and corrosion-resistant, and shrugs off the coolant, swarf and clamp marks that live on a fixture plate instead of staining and galling like raw 6061.
Why a fixture plate
- Repeatable workholding — a dense grid of holes on a known 20 mm pitch. Vises, toe clamps, soft jaws and dowel stops all index to the grid, so the next part drops into the exact same spot as the last.
- Real datums — flip parts and run two-sided / multi-op jobs without re-dialing every time.
- Protects the machine — a sacrificial layer between your cutter and the Milo's own structure.
Specs
- Material: 6061 aluminum, hard-anodized black
- Hole grid: 20 mm pitch — the FIXATED open-source standard, so all FIXATED-compatible workholding fits
- Fits: the Millennium Mills Milo v1.5 bed; mounts to the extrusion with low-profile screws + T-nuts
- Holes: drilled on the grid and sized for an M5 tap — ship untapped (see below)
- Mounting hardware not included · one plate per order
About the holes
The holes are drilled on the 20 mm grid and ship untapped — you tap them to M5×0.8. They're already on size for an M5 tap, and a spiral-flute or power tap runs the grid quickly. We leave them untapped on purpose: pre-tapping every hole adds $20–30 to the price, the anodize threads cleaner when you cut it fresh, and if you're building a CNC mill you already own a tap. Prefer hard location? Ream the pattern to your dowel-pin size.
How it compares
Pre-tapped bare-aluminum Milo plates cost about the same (~$78–80) and aren't anodized. The premium tooling plates run $180+ — and they're not anodized either. This one is hard-anodized at the bare-plate price; tap it yourself and pocket the difference.
