PortMatchMatch any tool dust port to any shop-vac or collector hose, with the exact reducer

1-7/8 in shop-vac hose diameter vs 6 in dust-collector hose diameter: specs compared

Updated 05 September 2026.

152 mm
6 in dust-collector hose diameter wins on mating diameter

On mating diameter, 6 in dust-collector hose diameter leads: 152 mm versus 48 mm.

Spec1-7/8 in shop-vac hose diameter6 in dust-collector hose diameter
Fitting typefemale cuff (goes over a port or into a socket)female cuff (goes over a port or into a socket)
Inner diameter / bore (ID)1-7/8 in, 48 mm6 in, 152 mm
Nominal size1-7/8 in (approx 48 mm)6 in ID (approx 152 mm)
Mating diameter (mm)48152

Questions and answers

Which has the higher mating diameter, 1-7/8 in shop-vac hose diameter or 6 in dust-collector hose diameter?

On mating diameter, 6 in dust-collector hose diameter leads: 152 mm versus 48 mm.

How do 1-7/8 in shop-vac hose diameter and 6 in dust-collector hose diameter compare?

On mating diameter, 6 in dust-collector hose diameter leads: 152 mm versus 48 mm.

Compared here

1-7/8 in shop-vac hose diameter6 in dust-collector hose diameter