PORT / HOSE
2-1/2 in shop-vac hose diameter
The real bore and cuff diameter of the 2-1/2 in shop-vac hose and what it connects to.
OD57.1 mm2-1/4 in
ID57 mm2-1/4 in, 57 mm
Rings drawn to scale from the measured diameters in the table below.
Measured hose dimensions
| Fitting type | female cuff (goes over a port or into a socket) |
|---|---|
| Inner diameter / bore (ID) | 2-1/4 in, 57 mm |
| Cuff outer diameter (OD) | 2-1/4 in |
| Nominal size | 2-1/2 in nominal, cuff approx 2-1/4 in OD |
Shop notes
Used on: Larger Shop-Vac and Craftsman wet/dry vacuums, most woodworking-oriented shop vacs.
A hose sold as 2-1/2 in usually has a cuff nearer 2-1/4 in OD and about 2-1/10 in bore, because the number is the inlet class not the cuff. Measure the cuff, not the box.
Connect this hose
- Connect to DeWalt DWS779 / DWS780 miter saw portneeds a reducer
- Connect to Router table fence portdirect fit
- Connect to SawStop table-saw rear guard portdirect fit
- Connect to Festool 36 mm (D36) tool portneeds a reducer
- Connect to 1-7/8 in shop-vac hoseneeds a reducer
- Connect to 4 in dust-collector hoseneeds a reducer