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

4 in dust-collector 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 102 mm.

Spec4 in dust-collector 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)4 in, 102 mm6 in, 152 mm
Cuff outer diameter (OD)4-1/4 port in
Nominal size4 in ID6 in ID (approx 152 mm)
Mating diameter (mm)102152

Questions and answers

Which has the higher mating diameter, 4 in dust-collector hose diameter or 6 in dust-collector hose diameter?

On mating diameter, 6 in dust-collector hose diameter leads: 152 mm versus 102 mm.

How do 4 in dust-collector hose diameter and 6 in dust-collector hose diameter compare?

On mating diameter, 6 in dust-collector hose diameter leads: 152 mm versus 102 mm.

Compared here

4 in dust-collector hose diameter6 in dust-collector hose diameter