The Grizzly G8689Z is a benchtop mill/drill for working mild steel, cast iron and aluminium at home or in a small shop: it drills up to 12.7 mm in steel, takes 12.7 mm end mills and faces up to 25.4 mm. Against cheaper mini mills it has an R8 spindle — so tooling is easy to find — a geared drive with two ranges (0-1100 and 0-2500 rpm) and a head that tilts 45° left and right. The limits are the 1/2 HP (373 W) motor and only 101.6 mm of cross travel: light cuts and small parts.
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| Parameter | Value | Source |
|---|---|---|
| Machine dimensions | 51 × 51 × 76 cm (20.0 × 20.0 × 30.0 in) | manufacturer website |
| Power supply | 110 V / 373 W | manufacturer website |
| Work area | 232 × 102 × 241 mm (9.1 × 4.0 × 9.5 in) | manufacturer website |
| Maximum speed | 2500 rpm | manufacturer website |
| Spindle to column | 161.9 mm | Compiled by editorial team |
| RPM | 2500 rpm | Compiled by editorial team |
| Spindle taper | R8 | Compiled by editorial team |
| Table travel X/Y | 231.8 x 101.6 mm | Compiled by editorial team |
This is a manual machine: no numerical control, no PC connection. Converting it to CNC takes stepper motors and a third-party controller (GRBL, Mach3, LinuxCNC), with aftermarket kits not supplied by Grizzly.
Technical data verified on the manufacturer's official website (recording date shown above). Description, editorial notes and translations are written with the help of AI and reviewed by the author before publication: the numbers always come from the cited source. Read the full methodology →
