1-1/4 in shop-vac hose diameter vs 5 in dust-collector hose diameter: specs compared
Updated 05 September 2026.
127 mm
5 in dust-collector hose diameter wins on mating diameter
On mating diameter, 5 in dust-collector hose diameter leads: 127 mm versus 32 mm.
| Spec | 1-1/4 in shop-vac hose diameter | 5 in dust-collector hose diameter |
|---|---|---|
| Fitting type | female cuff (goes over a port or into a socket) | female cuff (goes over a port or into a socket) |
| Inner diameter / bore (ID) | 1-1/4 in, 32 mm | 5 in, 127 mm |
| Cuff outer diameter (OD) | approx 1-1/2 cuff in | |
| Nominal size | 1-1/4 in (approx 32 mm) | 5 in ID (approx 127 mm) |
| Mating diameter (mm) | 32 | 127 |
Questions and answers
Which has the higher mating diameter, 1-1/4 in shop-vac hose diameter or 5 in dust-collector hose diameter?
On mating diameter, 5 in dust-collector hose diameter leads: 127 mm versus 32 mm.
How do 1-1/4 in shop-vac hose diameter and 5 in dust-collector hose diameter compare?
On mating diameter, 5 in dust-collector hose diameter leads: 127 mm versus 32 mm.