Grizzly Jointer 4IN vs CNC Router Boot 25: specs compared
Updated 05 September 2026.
99 mm
Grizzly Jointer 4IN wins on mating diameter
On mating diameter, Grizzly Jointer 4IN leads: 99 mm versus 64 mm.
| Spec | Grizzly Jointer 4IN | CNC Router Boot 25 |
|---|---|---|
| Port type | male spigot (hose goes over it) | male spigot (hose goes over it) |
| Outer diameter (OD) | 3-15/16 in, 99 mm | 2-1/2 in, 64 mm |
| Inner diameter (ID) | 91 mm | |
| Manufacturer designation | 4 in port, 3.9 in OD / 3.6 in ID | 2-1/2 in OD shop-vac port |
| Mating diameter (mm) | 99 | 64 |
Questions and answers
Which has the higher mating diameter, Grizzly Jointer 4IN or CNC Router Boot 25?
On mating diameter, Grizzly Jointer 4IN leads: 99 mm versus 64 mm.
How do Grizzly Jointer 4IN and CNC Router Boot 25 compare?
On mating diameter, Grizzly Jointer 4IN leads: 99 mm versus 64 mm.